%0 Journal Article %A V. A. Yumaguzhin %T The Classification of Linear Ordinary Differential Equations: I %J Differencialʹnye uravneniâ %D 2002 %P 1063-1070 %V 38 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2002_38_8_a5/ %G ru %F DE_2002_38_8_a5