%0 Journal Article %A S. V. Zhestkov %T On the stability of the Cauchy problem for quasilinear normal partial differential systems %J Differencialʹnye uravneniâ %D 1997 %P 558-559 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_4_a18/ %G ru %F DE_1997_33_4_a18