TY - JOUR AU - L. A. Molotkov TI - Investigation of front tangency of two transversal waves in transverse isotropic elastic media JO - Zapiski Nauchnykh Seminarov POMI PY - 2007 SP - 206 EP - 216 VL - 342 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2007_342_a9/ LA - ru ID - ZNSL_2007_342_a9 ER -