@article{SM_1967_1_4_a1, author = {V. \`E. Lyantse}, title = {An analog of the inverse problem of scattering theory for a }, journal = {Sbornik. Mathematics}, pages = {485--504}, publisher = {mathdoc}, volume = {1}, number = {4}, year = {1967}, language = {en}, url = {http://geodesic.mathdoc.fr/item/SM_1967_1_4_a1/} }