Editorial Board:
        Dedicated to the Professors Frantisek Sik and Miroslav Novotny
        p. 1-3:
   Postscript   (18 K)
      B. Zelinka:
        Edge shifth distance between trees
        p. 5-9:
   Postscript   (70 K)
      P. Vacek:
        Bounds of lengths of open Hamiltonian walks
        p. 11-16:
   Postscript   (356 K)
      V. Vetchý:
        Metrically regular square of metrically regular bigraphs II
        p. 17-24:
   Postscript   (263 K)
      I. Chajda:
        Complemented ordered sets
        p. 25-34:
   Postscript   (163 K)
      A. G Pinus:
        The Levengeim's number for a skeleton of varieties of Boolean algebras
      (Russian)
        p. 35-49:
   Postscript   (194 K)
      M. Gregus, M. Gregus junior:
        Remark concerning oscillatory properties of solutions of a certain
        nonlinear equation of the third order
        p. 51-55:
   Postscript   (70 K)
      S. Stanek:
        Existence of multiple solutions for some functional boundary value
        problems
        p. 57-65:
   Postscript   (118 K)
      M. Kolibiar:
        Convex lines in median groups
        p. 67-75:
   Postscript   (97 K)
      J. Niederle:
        On frame congruences generated by frame tolerances
        p. 77-81:
   Postscript   (128 K)
      M. Kolibiar:
        Direct factors of multilattice groups, II
        p. 83-84:
   Postscript   (44 K)
      J. Simsa:
        Some factorizations of matrix functions
        p. 85-94:
   Postscript   (116 K)
      J. Karásek:
        On a modification of relational axioms
        p. 95-111:
   Postscript   (178 K)
      O. Doslý:
        Principal solutions and transformations of linear Hamiltonian systems
        p. 113-120:
   Postscript   (101 K)