@article{DAN_1976_230_3_a5,
     author = {O. I. Marichev},
     title = {Singular boundary value problems for the generalized biaxially symmetric {Helmholtz} equation},
     journal = {Doklady Akademii Nauk},
     pages = {523--526},
     publisher = {mathdoc},
     volume = {230},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_3_a5/}
}