@article{DE_1976_12_9_a8,
     author = {V. V. Katrakhov},
     title = {The spectral function of certain singular differential {operators.~II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1605--1618},
     publisher = {mathdoc},
     volume = {12},
     number = {9},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_9_a8/}
}