@article{DE_1979_15_1_a1,
     author = {N. Ya. Beznoshchenko},
     title = {Existence of a solution of the problem of determining the coefficient~$q$ in the equation $u_t-\Delta u+qu=F$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {10--17},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_1_a1/}
}