%0 Journal Article %A S. Yu. Lukashchuk %T Approximation of ordinary fractional differential equations by differential equations with a small parameter %J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki %D 2017 %P 515-531 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VUU_2017_27_4_a2/ %G ru %F VUU_2017_27_4_a2