TY - JOUR AU - V. S. Kononenko AU - P. Kh. Khabibullaev TI - On a new effect of reduction of spectral density in a ultrasonic JO - Doklady Akademii Nauk PY - 1992 SP - 673 EP - 676 VL - 323 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_323_4_a13/ LA - ru ID - DAN_1992_323_4_a13 ER -