%0 Journal Article %A I. B. Sorogovets %T Solutions of systems of linear differential equations with an irregular singular point %J Differencialʹnye uravneniâ %D 1984 %P 786-792 %V 20 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_5_a4/ %G ru %F DE_1984_20_5_a4