TY - JOUR AU - S. A. Gabov AU - B. B. Orazov AU - A. G. Sveshnikov TI - A fourth-order evolution equation encountered in underwater acoustics of a stratified fluid JO - Differencialʹnye uravneniâ PY - 1986 SP - 19 EP - 25 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1986_22_1_a2/ LA - ru ID - DE_1986_22_1_a2 ER -