%0 Journal Article %A I. V. Olemskoy %A N. A. Kovrizhnykh %A O. S. Firyulina %T Two-parametric family of sixth order numerical methods for solving systems of ordinary differential equations %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2019 %P 502-517 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSPUI_2019_15_4_a6/ %G ru %F VSPUI_2019_15_4_a6