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@article{IVM_1979_9_a2, author = {Yu. M. Krikunov}, title = {The modified {Tricomi} problem for the equation $u_{xx}+yu_{yy}+(-n+1/2)u_y=0$}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {21--28}, publisher = {mathdoc}, number = {9}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1979_9_a2/} }
Yu. M. Krikunov. The modified Tricomi problem for the equation $u_{xx}+yu_{yy}+(-n+1/2)u_y=0$. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1979), pp. 21-28. http://geodesic.mathdoc.fr/item/IVM_1979_9_a2/