TY - JOUR AU - V. S. Buslaev TI - Scattered plane waves, spectral asymptotics and trace formulas in exterior problems JO - Doklady Akademii Nauk PY - 1971 SP - 999 EP - 1002 VL - 197 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a2/ LA - ru ID - DAN_1971_197_5_a2 ER -