TY - JOUR AU - M. B. Zvyagina TI - On projective and injective objects of the categories dual to~$\mathfrak{AB}$ JO - Zapiski Nauchnykh Seminarov POMI PY - 2005 SP - 168 EP - 182 VL - 321 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2005_321_a6/ LA - ru ID - ZNSL_2005_321_a6 ER -