Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1971_7_12_a12, author = {A. G. Ramm}, title = {A multidimensional integral equation with a difference kernel}, journal = {Differencialʹnye uravneni\^a}, pages = {2234--2239}, publisher = {mathdoc}, volume = {7}, number = {12}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_12_a12/} }
A. G. Ramm. A multidimensional integral equation with a difference kernel. Differencialʹnye uravneniâ, Tome 7 (1971) no. 12, pp. 2234-2239. http://geodesic.mathdoc.fr/item/DE_1971_7_12_a12/