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@article{DE_1968_4_10_a8, author = {M. V. Fedoryuk}, title = {Analytic properties of the scattering amplitude in the one-dimensional case. {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1842--1853}, publisher = {mathdoc}, volume = {4}, number = {10}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1968_4_10_a8/} }
M. V. Fedoryuk. Analytic properties of the scattering amplitude in the one-dimensional case. I. Differencialʹnye uravneniâ, Tome 4 (1968) no. 10, pp. 1842-1853. http://geodesic.mathdoc.fr/item/DE_1968_4_10_a8/