TY - JOUR AU - G. E. Mints TI - Closed categories and the theory of proofs JO - Zapiski Nauchnykh Seminarov POMI PY - 1977 SP - 83 EP - 114 VL - 68 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1977_68_a7/ LA - ru ID - ZNSL_1977_68_a7 ER -