@article{DE_1978_14_11_a10,
     author = {T. V. Chekmarev},
     title = {The {Dirichlet} problem for a system of {Euler--Poisson--Darboux} equations in a circle with its center on the line of degeneracy and in its parts},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2038--2046},
     publisher = {mathdoc},
     volume = {14},
     number = {11},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_11_a10/}
}