TY - JOUR AU - M. G. Yumagulov AU - D. A. Yakshibaeva TI - Operator method for the study of small oscillations in systems with aftereffect JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2013 SP - 37 EP - 42 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2013_9_a5/ LA - ru ID - VSGU_2013_9_a5 ER -