%0 Journal Article %A A. M. Romanovskaya %T Method of plane waves for hyperbolic system with several spatial variables %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2016 %P 68-72 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2016_4_a7/ %G ru %F IVM_2016_4_a7