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@article{MM2_1984__49_155033, author = {Helmut Weberpals}, title = {Vertauschbarkeit von {Limites} und {Colimites.}}, journal = {Manuscripta mathematica}, pages = {9--26}, publisher = {mathdoc}, volume = {49}, year = {1984}, zbl = {0554.18001}, url = {http://geodesic.mathdoc.fr/item/MM2_1984__49_155033/} }
Helmut Weberpals. Vertauschbarkeit von Limites und Colimites.. Manuscripta mathematica, Tome 49 (1984), pp. 9-26. http://geodesic.mathdoc.fr/item/MM2_1984__49_155033/