@article{FPM_2006_12_4_a11,
     author = {S. G. Pyatkov},
     title = {Certain inverse problems for parabolic equations},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {187--202},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2006_12_4_a11/}
}