@article{TRSPY_2012_277_a14,
     author = {M. M. Potapov and A. A. Dryazhenkov},
     title = {Threshold optimization in observability inequality for the wave equation with homogeneous {Robin-type} boundary condition},
     journal = {Informatics and Automation},
     pages = {215--229},
     publisher = {mathdoc},
     volume = {277},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2012_277_a14/}
}