@article{DE_1983_19_4_a23,
     author = {P. D. Kokinasidi},
     title = {Construction of the {Riemann} function for some hyperbolic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {703--706},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_4_a23/}
}