%0 Journal Article %A N. I. Yatskin %T Questions of reducibility to a special form of linear differential equations on manifolds %J Doklady Akademii Nauk %D 1975 %P 792-794 %V 220 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_4_a9/ %G ru %F DAN_1975_220_4_a9