Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1970_6_8_a12, author = {A. G. Ramm}, title = {Certain integral operators}, journal = {Differencialʹnye uravneni\^a}, pages = {1439--1452}, publisher = {mathdoc}, volume = {6}, number = {8}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_8_a12/} }
A. G. Ramm. Certain integral operators. Differencialʹnye uravneniâ, Tome 6 (1970) no. 8, pp. 1439-1452. http://geodesic.mathdoc.fr/item/DE_1970_6_8_a12/