@article{MZM_1981_29_1_a6,
     author = {N. P. Shishko},
     title = {Inverse problem for a parabolic equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {55--62},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_1_a6/}
}