TY - JOUR AU - L. A. Molotkov TI - On the matric representions of the dispersion equation for layer-elastic media JO - Zapiski Nauchnykh Seminarov POMI PY - 1972 SP - 116 EP - 131 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1972_25_a7/ LA - ru ID - ZNSL_1972_25_a7 ER -