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@article{DAN_1963_150_3_a5, author = {B. M. Levitan}, title = {Determination of the {Sturm--Liouville} differential equation by two spectra}, journal = {Doklady Akademii Nauk}, pages = {474--476}, publisher = {mathdoc}, volume = {150}, number = {3}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a5/} }
B. M. Levitan. Determination of the Sturm--Liouville differential equation by two spectra. Doklady Akademii Nauk, Tome 150 (1963) no. 3, pp. 474-476. http://geodesic.mathdoc.fr/item/DAN_1963_150_3_a5/