@article{DE_1980_16_3_a16,
     author = {V. S. Serov},
     title = {Fundamental solution of a differential operator with a singularity},
     journal = {Differencialʹnye uravneni\^a},
     pages = {522--531},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_3_a16/}
}