%0 Journal Article %A I. M. Karasev %T Differential equations with a generalized Čebyšev operator in $K'$ %J Differencialʹnye uravneniâ %D 1970 %P 375-376 %V 6 %N 2 %U http://geodesic.mathdoc.fr/item/DE_1970_6_2_a17/ %G ru %F DE_1970_6_2_a17