@article{DE_2003_39_1_a9,
     author = {M. V. Korovina},
     title = {Construction of a {Self-Adjoint} {Extension} of the {Schr\"odinger} {Operator} with a {Potential} {Concentrated} on a {Pencil} of {Planes:} {II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {70--77},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_1_a9/}
}