@article{DE_1988_24_1_a17,
     author = {T. A. Samarskaya},
     title = {Equiconvergence of spectral expansions that correspond to nonselfadjoint extensions of a second-order differential operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {155--166},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_1_a17/}
}