%0 Journal Article %A A. F. Kadomtseva %T Asymptotic behavior of the fundamental matrix of solutions of a linear system of differential equations in the presence of turning points %J Differencialʹnye uravneniâ %D 1983 %P 388-396 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a2/ %G ru %F DE_1983_19_3_a2