@article{DE_1991_27_1_a13,
     author = {V. S. Serov},
     title = {On the scattering problem for the {Schr\"odinger} operator with singular potential in the two-dimensional case. {II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {120--128},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_1_a13/}
}