%0 Journal Article %A N. N. Kushkov %T Boundedness of solutions of a certain multidimensional system in the critical case of two zero roots.~I %J Differencialʹnye uravneniâ %D 1979 %P 1600-1605 %V 15 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_9_a6/ %G ru %F DE_1979_15_9_a6