@article{VMUMM_1997_3_a0,
     author = {D. E. Levin},
     title = {Removable sets for elliptic equations with discontinuous coefficients},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--6},
     year = {1997},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1997_3_a0/}
}