TY - JOUR AU - D. O. Tsvetkov TI - The problem of normal oscillations of a viscous stratified fluid with an elastic membrane JO - Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki PY - 2021 SP - 311 EP - 330 VL - 31 IS - 2 UR - http://geodesic.mathdoc.fr/item/VUU_2021_31_2_a10/ LA - ru ID - VUU_2021_31_2_a10 ER -