@article{FAA_1986_20_3_a12,
     author = {R. G. Novikov},
     title = {Reconstruction of a two-dimensional {Schr\"odinger} operator from the scattering amplitude for fixed energy},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {90--91},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a12/}
}