@article{DE_1983_19_6_a24,
     author = {T. V. Chekmarev},
     title = {Generalization of a theorem relating to a system of {Euler--Poisson--Darboux} equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1089--1090},
     publisher = {mathdoc},
     volume = {19},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_6_a24/}
}