| 1. | Białas S. Estimation of solutions and their derivatives for linear differential equations with constant coefficients Issue 15 (1971), pp. 7-11 Article (PDF 487K) |  | 
 | 2. | Bochnak J. Sets of covering mappings Issue 15 (1971), pp. 13-16 Article (PDF 393K) |  | 
 | 3. | Cellina A. On mappings defined by differential equations Issue 15 (1971), pp. 17-19 Article (PDF 286K) |  | 
 | 4. | Chabrowski J. Remarques sur l'unicité des solutions des équations paraboliques et elliptiques Issue 15 (1971), pp. 21-25 Article (PDF 345K) |  | 
 | 5. | Denkowski Z. Inequalities of Wirtinger's type and their discrete analogues Issue 15 (1971), pp. 27-37 Article (PDF 865K) |  | 
 | 6. | Drewniak J. An algorithm for the decomposition of modular transformations into a finite product of generators Issue 15 (1971), pp. 39-45 Article (PDF 583K) |  | 
 | 7. | Gancarzewicz J. Remarks on algebraic properties of sequential machines Issue 15 (1971), pp. 47-59 Article (PDF 1278K) |  | 
 | 8. | Ger J. On convex solutions of the functional equation f2(x)=g(x) Issue 15 (1971), pp. 61-65 Article (PDF 299K) |  | 
 | 9. | Hyży A. On the rapidity of convergence of sequences of errors in the methods of Newton and of Regula Falsi Issue 15 (1971), pp. 67-69 Article (PDF 189K) |  | 
 | 10. | Kasprzyk S., Myjak J. On the existence of solutions of linear boundary-value problem for ordinary differential equations Issue 15 (1971), pp. 71-78 Article (PDF 491K) |  | 
 | 11. | Krakowiak A., Sewioł K. On the continuous dependence of solutions of a boundary value problem for ordinary second-order differential equations Issue 15 (1971), pp. 79-82 Article (PDF 328K) |  | 
 | 12. | Kulig C. A numerical treatment of a boundary-value problem for third-order differential equations Issue 15 (1971), pp. 83-89 Article (PDF 607K) |  | 
 | 13. | Lasota A. Équations intégrales au contingent Issue 15 (1971), pp. 91-97 Article (PDF 588K) |  | 
 | 14. | Lasota A., Opial Z. On a modified isochronism problem for the non-linear oscillator Issue 15 (1971), pp. 99-102 Article (PDF 237K) |  | 
 | 15. | Lasota A., Traple J. Nicoletti boundary value problems for systems of linear differential equations with distributional perturbations Issue 15 (1971), pp. 103-108 Article (PDF 315K) |  | 
 | 16. | Matkowski J. Note on a functional equation Issue 15 (1971), pp. 109-111 Article (PDF 159K) |  | 
 | 17. | Myjak J. Boundary value problems for nonlinear differential and difference equations of the second order Issue 15 (1971), pp. 113-123 Article (PDF 600K) |  | 
 | 18. | Pelczar A. On some iterative-differential equations III Issue 15 (1971), pp. 125-130 Article (PDF 366K) |  | 
 | 19. | Pelczar A. Remarks on commuting mappings in partially ordered spaces Issue 15 (1971), pp. 131-133 Article (PDF 259K) |  | 
 | 20. | Pleśniak W. Quasianalytic functions of several complex variables Issue 15 (1971), pp. 135-145 Article (PDF 777K) |  | 
 | 21. | Sędziwy S. Uniqueness and existence of solutions of a boundary-value problem for a system of differential equations Issue 15 (1971), pp. 147-149 Article (PDF 226K) |  | 
 | 22. | Stachurska B. On a nonlinear integral inequality Issue 15 (1971), pp. 151-157 Article (PDF 540K) |  | 
 | 23. | Traple J. On a boundary value problems for systems of ordinary differential equations of second order Issue 15 (1971), pp. 159-168 Article (PDF 690K) |  | 
 | 24. | Zajtz A. Affine representations of groups Issue 15 (1971), pp. 169-174 Article (PDF 499K) |  | 
 | 25. | Zajtz A. On commuting linear operators in a real vector space Issue 15 (1971), pp. 175-180 Article (PDF 537K) |  | 
 | 26. | Zajtz A. On semigroups of linear operators Issue 15 (1971), pp. 181-184 Article (PDF 306K) |  | 
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