%0 Journal Article %A M. V. Korovina %T Cauchy problems for overdetermined systems of linear differential %J Doklady Akademii Nauk %D 1989 %P 31-34 %V 309 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_309_1_a5/ %G ru %F DAN_1989_309_1_a5