@article{DE_1986_22_6_a12,
     author = {V. B. Andreev},
     title = {Point source functions for the {Laplace} difference operator in a corner. {I.} {Integral} representations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1021--1032},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_6_a12/}
}