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@article{TM_1966_92_a10, author = {I. A. Molotkov and I. V. Muhina}, title = {Nonstationary wave propagation velocity minimum}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {165--181}, publisher = {mathdoc}, volume = {92}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1966_92_a10/} }
I. A. Molotkov; I. V. Muhina. Nonstationary wave propagation velocity minimum. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Boundary value problems of mathematical physics. Part 4, Tome 92 (1966), pp. 165-181. http://geodesic.mathdoc.fr/item/TM_1966_92_a10/