%0 Journal Article %A Chin' Ngok Min' %A Tran Duc Van %T The Cauchy problem for systems of partial differential equations %J Doklady Akademii Nauk %D 1985 %P 1080-1083 %V 284 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_284_5_a12/ %G ru %F DAN_1985_284_5_a12