TY - JOUR AU - V. E. Nazaikinskii TI - Phase Space Geometry for a Wave Equation Degenerating on the Boundary of the Domain JO - Matematičeskie zametki PY - 2012 SP - 153 EP - 156 VL - 92 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2012_92_1_a15/ LA - ru ID - MZM_2012_92_1_a15 ER -