@article{GDZPPN002409259, title = {Weak Adjoint Functors.}, journal = {Mathematische Zeitschrift}, volume = {121}, year = {1971}, pages = {1-9}, url = {http://dml.mathdoc.fr/item/GDZPPN002409259} }
Kainen, Paul C. Weak Adjoint Functors.. Mathematische Zeitschrift, Tome 121 (1971) pp. 1-9. http://gdmltest.u-ga.fr/item/GDZPPN002409259/