@article{DAN_1985_281_5_a15, author = {M. V. Karasev and V. P. Maslov and A. V. Pereskokov}, title = {Resonance frequencies of valves in optic media with spatial}, journal = {Doklady Akademii Nauk}, pages = {1085--1088}, publisher = {mathdoc}, volume = {281}, number = {5}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_281_5_a15/} }