%0 Journal Article %A Ch. A. Skhalyaho %T On the oscillatory and nonoscillatory natures of the solutions for a system of nonlinear differential equations %J Differencialʹnye uravneniâ %D 1980 %P 1523-1526 %V 16 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_8_a21/ %G ru %F DE_1980_16_8_a21