%0 Journal Article %A A. E. Gel'man %T The reducibility of a certain class of simultaneous differential equations containing quasiperiodic coefficients %J Doklady Akademii Nauk %D 1957 %P 535-537 %V 116 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_116_4_a2/ %G ru %F DAN_1957_116_4_a2