@article{TIMM_2012_18_1_a11,
     author = {S. I. Kabanikhin and M. A. Shishlenin},
     title = {On the use of a~priori information in coefficient inverse problems for hyperbolic equations},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {147--164},
     year = {2012},
     volume = {18},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2012_18_1_a11/}
}