TY - JOUR AU - Ryan Cohen Reich TI - Obvious natural morphisms of sheaves are unique JO - Theory and applications of categories PY - 2014 SP - 48 EP - 99 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAC_2014_29_a3/ LA - en ID - TAC_2014_29_a3 ER -