@article{DE_1969_5_8_a13,
     author = {I. A. Kipriyanov and V. I. Kononenko},
     title = {The fundamental solutions of certain singular partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1470--1483},
     publisher = {mathdoc},
     volume = {5},
     number = {8},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_8_a13/}
}