@article{DE_1986_22_8_a20, author = {N. Radjabov and K. S. Boltaev}, title = {Representation of the manifold of solutions and investigation of boundary value problems of {Cauchy--Dirichlet} type for a class of equations of mixed type with a singular line}, journal = {Differencialʹnye uravneni\^a}, pages = {1451--1452}, publisher = {mathdoc}, volume = {22}, number = {8}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_8_a20/} }