TY - JOUR AU - N. I. Kalyadin TI - Constructivisation of the models of classification of finite objects JO - Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta PY - 2007 SP - 3 EP - 231 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIMI_2007_38_1_a0/ LA - ru ID - IIMI_2007_38_1_a0 ER -