%0 Journal Article %A V. I. Mironenko %T Stationary integrals and invariants of the shift operator along the solutions of differential systems %J Differencialʹnye uravneniâ %D 1978 %P 2170-2177 %V 14 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_12_a8/ %G ru %F DE_1978_14_12_a8