Address.
 Department of Applied  Mathematics, The University
of  Zilina, J. M. Hurbana 15, 010 26 Zilina, Slovakia
 
E-mail. spanik@kam.utc.sk
Abstract.
 We study oscillatory properties of solutions of the systems of differential
equations of neutral type.
AMSclassification. 35K15, 34K40.
Keywords. Neutral differential system, oscillatory (nonoscillatory) solution.