@article{DE_1989_25_6_a30,
     author = {V. N. Gorbuzov and A. A. Krushelnitsky},
     title = {On the number of polynomial solutions of various degrees of algebraic differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1069--1071},
     publisher = {mathdoc},
     volume = {25},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_6_a30/}
}