@article{DAN_1982_266_5_a1,
     author = {V. V. Katrakhov},
     title = {The method of transformation operators in the theory of general weighted boundary value problems for singular and degenerate elliptic equations with a parameter},
     journal = {Doklady Akademii Nauk},
     pages = {1037--1040},
     publisher = {mathdoc},
     volume = {266},
     number = {5},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_266_5_a1/}
}