@article{DE_1988_24_7_a2,
     author = {V. F. Apel'tsin and S. A. Yakovleva},
     title = {Numerical analytic preparation for a generalization of a method of representations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1121--1127},
     publisher = {mathdoc},
     volume = {24},
     number = {7},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_7_a2/}
}