Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1969__1_153969, author = {Dieter Pumpl\"un and Helmut R\"ohrl}, title = {Morphismen von {Funktoren.}}, journal = {Manuscripta mathematica}, pages = {87--98}, publisher = {mathdoc}, volume = {1}, year = {1969}, zbl = {0164.01302}, url = {http://geodesic.mathdoc.fr/item/MM2_1969__1_153969/} }
Dieter Pumplün; Helmut Röhrl. Morphismen von Funktoren.. Manuscripta mathematica, Tome 1 (1969), pp. 87-98. http://geodesic.mathdoc.fr/item/MM2_1969__1_153969/