%0 Journal Article
%A Graef, John R.
%A Yang, Bo
%A Zhang, B. G.
%T Existence of nonoscillatory and oscillatory solutions of neutral differential equations with positive and negative coefficients
%J Mathematica Bohemica
%D 1999
%P 87-102
%V 124
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.1999.125974/
%R 10.21136/MB.1999.125974
%G en
%F 10_21136_MB_1999_125974