@article{DE_1982_18_4_a11,
     author = {S. A. Gabov and P. V. Shevtsov},
     title = {On a problem that contains a spectral parameter in the boundary condition},
     journal = {Differencialʹnye uravneni\^a},
     pages = {626--631},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1982_18_4_a11/}
}