@article{DE_1988_24_11_a20,
     author = {A. A. Krushelnitsky},
     title = {Boundaries of variation of the degree of polynomial solutions of algebraic differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2010--2012},
     publisher = {mathdoc},
     volume = {24},
     number = {11},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_11_a20/}
}