%0 Journal Article %A D. P. Mishev %T Oscillation of the Solutions of Neutral Type Hyperbolic Differential Equations %J Mathematica balkanica %D 1991 %P 121 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_1991_5_2_a5/ %F MABA_1991_5_2_a5