%0 Journal Article %A V. A. Pliss %T Eiserman's problem in the case of three simultaneous differential equations %J Doklady Akademii Nauk %D 1958 %P 422-425 %V 121 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_121_3_a6/ %G ru %F DAN_1958_121_3_a6