@article{DE_1973_9_9_a4,
     author = {S. G. Kondratenya},
     title = {A general class of systems of two differential equations that have no solutions with movable essential singularities},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1593--1600},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_9_a4/}
}