@article{DE_1990_26_6_a8,
     author = {D. Bazarov},
     title = {Nonlocal boundary value problems for an elliptic-parabolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {998--1007},
     publisher = {mathdoc},
     volume = {26},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_6_a8/}
}