@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/}
}