@article{ZNSL_1989_179_a9,
     author = {A. P. Katchalov and Ya. V. Kurylev},
     title = {Transformation operator method for inverse scattering problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {73--87},
     year = {1989},
     volume = {179},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1989_179_a9/}
}