TY - JOUR AU - Holgate, David TI - Linking the closure and orthogonality properties of perfect morphisms in a category JO - Commentationes Mathematicae Universitatis Carolinae PY - 1998 SP - 587 EP - 607 VL - 39 IS - 3 UR - http://geodesic.mathdoc.fr/item/CMUC_1998_39_3_a14/ LA - en ID - CMUC_1998_39_3_a14 ER -