TY - JOUR AU - V. D. Luk'yanov TI - The application of the matrix Riemann problem to the investigation of normal waves excitation in an acoustic JO - Zapiski Nauchnykh Seminarov POMI PY - 1997 SP - 129 EP - 132 VL - 239 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1997_239_a11/ LA - ru ID - ZNSL_1997_239_a11 ER -