@article{ZVMMF_2014_54_6_a4,
     author = {A. A. Dryazhenkov and M. M. Potapov},
     title = {Constructive observability inequalities for weak generalized solutions of the wave equation with elastic restraint},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {928--941},
     year = {2014},
     volume = {54},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2014_54_6_a4/}
}