TY - JOUR AU - V. A. Kim TI - Duffing oscillator with an external harmonic impact and derived variables fractional Remann-Liouville, is characterized by viscous friction JO - Vestnik KRAUNC. Fiziko-matematičeskie nauki PY - 2016 SP - 50 EP - 54 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VKAM_2016_2_a7/ LA - ru ID - VKAM_2016_2_a7 ER -