Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1971_7_7_a12, author = {P. P. Zabreiko and A. I. Povolotskii}, title = {Eigenfunctions of the {Hammerstein} operator}, journal = {Differencialʹnye uravneni\^a}, pages = {1294--1304}, publisher = {mathdoc}, volume = {7}, number = {7}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_7_a12/} }
P. P. Zabreiko; A. I. Povolotskii. Eigenfunctions of the Hammerstein operator. Differencialʹnye uravneniâ, Tome 7 (1971) no. 7, pp. 1294-1304. http://geodesic.mathdoc.fr/item/DE_1971_7_7_a12/