Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1978_14_5_a10, author = {P. I. Achilov}, title = {The uniqueness of the expansions in eigenfunctions of the {Schr\"odinger} operator}, journal = {Differencialʹnye uravneni\^a}, pages = {871--877}, publisher = {mathdoc}, volume = {14}, number = {5}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_5_a10/} }
P. I. Achilov. The uniqueness of the expansions in eigenfunctions of the Schr\"odinger operator. Differencialʹnye uravneniâ, Tome 14 (1978) no. 5, pp. 871-877. http://geodesic.mathdoc.fr/item/DE_1978_14_5_a10/