%0 Journal Article %A D. V. Gusev %T On Finite State Automation of 4 Stones which Makes the %J Matematičeskoe obrazovanie %D 2016 %P 23-43 %V 77 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2016_77_1_a4/ %G ru %F MO_2016_77_1_a4