@article{DE_1983_19_9_a14,
     author = {M. V. Suchkov},
     title = {Some properties of spectral expansions corresponding to an elliptic selfadjoint operator with discontinuous coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1585--1593},
     publisher = {mathdoc},
     volume = {19},
     number = {9},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_9_a14/}
}