TY - JOUR AU - Maranda, J. -M. TI - On Fundamental Constructions and Adjoint Functors JO - Canadian mathematical bulletin PY - 1966 SP - 581 EP - 591 VL - 9 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-072-9/ DO - 10.4153/CMB-1966-072-9 ID - 10_4153_CMB_1966_072_9 ER -