%0 Journal Article %A M. M. Dyshaev %A D. B. Izergin %A V. E. Fedorov %T Approximation and comparison of the empirical liquidity cost function for various futures contracts %J Matematičeskie zametki SVFU %D 2021 %P 101-113 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/SVFU_2021_28_a7/ %G en %F SVFU_2021_28_a7