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@article{DE_1972_8_6_a4, author = {M. V. Fedoryuk}, title = {Spectral analysis and the scattering problem for the operator $-d^2/dx^2+A(x)${.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {984--994}, publisher = {mathdoc}, volume = {8}, number = {6}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_6_a4/} }
M. V. Fedoryuk. Spectral analysis and the scattering problem for the operator $-d^2/dx^2+A(x)$.~I. Differencialʹnye uravneniâ, Tome 8 (1972) no. 6, pp. 984-994. http://geodesic.mathdoc.fr/item/DE_1972_8_6_a4/