@article{DE_1990_26_11_a19,
     author = {Z. A. Nakhusheva},
     title = {The first and second boundary value problems in an integral formulation for a second-order parabolic equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1982--1992},
     publisher = {mathdoc},
     volume = {26},
     number = {11},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_11_a19/}
}