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@article{MZ_1973__134_171965, author = {Rainer M. Vogt}, title = {Homotopy {Limits} and {Colimits.}}, journal = {Mathematische Zeitschrift}, pages = {11--52}, publisher = {mathdoc}, volume = {134}, year = {1973}, zbl = {0276.55006}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__134_171965/} }
Rainer M. Vogt. Homotopy Limits and Colimits.. Mathematische Zeitschrift, Tome 134 (1973), pp. 11-52. http://geodesic.mathdoc.fr/item/MZ_1973__134_171965/