TY - JOUR AU - Yu. Yu. Berest TI - Construction of fundamental solutions for Huygens equations as JO - Doklady Akademii Nauk PY - 1991 SP - 786 EP - 789 VL - 317 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_317_4_a2/ LA - ru ID - DAN_1991_317_4_a2 ER -