@article{FAA_1988_22_4_a1,
     author = {R. G. Novikov},
     title = {Multidimensional inverse spectral problem for the equation $-\Delta\psi+(v(x)-Eu(x))\psi=0$},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {11--22},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_4_a1/}
}