@article{DAN_1964_158_2_a6,
     author = {I. A. Kipriyanov},
     title = {Boundary-value problems for partial differential equations with the {Bessel} differential operator},
     journal = {Doklady Akademii Nauk},
     pages = {275--278},
     publisher = {mathdoc},
     volume = {158},
     number = {2},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_158_2_a6/}
}