%0 Journal Article %A D. Zonnevend %T On a type of player superiority %J Doklady Akademii Nauk %D 1973 %P 520-523 %V 208 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_3_a4/ %G ru %F DAN_1973_208_3_a4