@article{DE_1975_11_9_a12,
     author = {M. M. Lavrent'ev and M. V. Klibanov},
     title = {A certain inverse problem for an equation of parabolic type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1647--1651},
     publisher = {mathdoc},
     volume = {11},
     number = {9},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_9_a12/}
}