%0 Journal Article %A Bak Hyng Khang %T Completeness of the linear closures of some classes of recognition algorithms %J Doklady Akademii Nauk %D 1978 %P 761-764 %V 240 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_4_a0/ %G ru %F DAN_1978_240_4_a0