%0 Journal Article %A N. T. Kogabaev %T The complexity of isomorphism problem for computable projective planes %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2013 %P 68-75 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2013_13_1_a6/ %G ru %F VNGU_2013_13_1_a6