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@article{DE_1971_7_2_a22, author = {A. G. Ramm}, title = {Necessary and sufficient conditions for the realizability of the limiting amplitude principle}, journal = {Differencialʹnye uravneni\^a}, pages = {371--372}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_2_a22/} }
A. G. Ramm. Necessary and sufficient conditions for the realizability of the limiting amplitude principle. Differencialʹnye uravneniâ, Tome 7 (1971) no. 2, pp. 371-372. http://geodesic.mathdoc.fr/item/DE_1971_7_2_a22/