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@article{DE_1980_16_5_a12, author = {B. S. Rubin}, title = {Noether's theory for generalized {Abel} equations with a real index}, journal = {Differencialʹnye uravneni\^a}, pages = {917--927}, publisher = {mathdoc}, volume = {16}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_5_a12/} }
B. S. Rubin. Noether's theory for generalized Abel equations with a real index. Differencialʹnye uravneniâ, Tome 16 (1980) no. 5, pp. 917-927. http://geodesic.mathdoc.fr/item/DE_1980_16_5_a12/