TY - JOUR AU - N. T. Kogabaev TI - The complexity of isomorphism problem for computable projective planes JO - Sibirskij žurnal čistoj i prikladnoj matematiki PY - 2013 SP - 68 EP - 75 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VNGU_2013_13_1_a6/ LA - ru ID - VNGU_2013_13_1_a6 ER -