%0 Journal Article %A B. S. Rubin %T Noether's theory for generalized Abel equations with a real index %J Differencialʹnye uravneniâ %D 1980 %P 917-927 %V 16 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_5_a12/ %G ru %F DE_1980_16_5_a12