@article{DE_1973_9_1_a27,
     author = {A. I. Yanushauskas},
     title = {Series in powers of one variable that satisfy partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {189--191},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_1_a27/}
}