The free adjunction
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Volume 27 (1986) no. 1, p. 81-83 
@article{CTGDC_1986__27_1_81_0,
     author = {Schanuel, Stephen and Street, Ross},
     title = {The free adjunction},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {27},
     number = {1},
     year = {1986},
     pages = {81-83},
     zbl = {0592.18002},
     mrnumber = {845410},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1986__27_1_81_0}
}

Schanuel, Stephen; Street, Ross. The free adjunction. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Volume 27 (1986) no. 1, pp. 81-83. http://www.numdam.org/item/CTGDC_1986__27_1_81_0/

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