TY - JOUR AU - G. D. Mikhailov TI - Observation of acoustic spectrum components in subharmonics JO - Doklady Akademii Nauk PY - 1969 SP - 562 EP - 563 VL - 188 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_188_3_a18/ LA - ru ID - DAN_1969_188_3_a18 ER -