no. 1
Multiple functors. IV. Monoidal closed structures on Cat n
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 20 (1979) no. 1, pp. 59-104. 
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     author = {Ehresmann, Andr\'ee and Ehresmann, Charles},
     title = {Multiple functors. {IV.} {Monoidal} closed structures on $Cat_n$},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {59--104},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
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     number = {1},
     year = {1979},
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Ehresmann, Andrée; Ehresmann, Charles. Multiple functors. IV. Monoidal closed structures on $Cat_n$. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 20 (1979) no. 1, pp. 59-104. http://www.numdam.org/item/CTGDC_1979__20_1_59_0/

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