TY - JOUR AU - M. S. Burgin TI - $\gamma$-categories and categories with involution JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1969 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1969_24_2_a8/ LA - ru ID - RM_1969_24_2_a8 ER -