TY - JOUR AU - A. El Khoury AU - S. Soloviev AU - L. Mehats AU - M. Spivakovsky TI - Categorical interpretation of logical derivations and some its applications to algebra JO - Zapiski Nauchnykh Seminarov POMI PY - 2009 SP - 318 EP - 344 VL - 373 UR - http://geodesic.mathdoc.fr/item/ZNSL_2009_373_a19/ LA - ru ID - ZNSL_2009_373_a19 ER -