@article{DE_1988_24_7_a18,
     author = {V. G. Prikazchikov and A. R. Semchuk},
     title = {Accuracy of a difference scheme for a spectral problem with discontinuous coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1244--1249},
     publisher = {mathdoc},
     volume = {24},
     number = {7},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_7_a18/}
}