no. 2
Lax 2-categories and directed homotopy
Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 47 (2006) no. 2, pp. 107-128. 
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     author = {Grandis, Marco},
     title = {Lax $2$-categories and directed homotopy},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {107--128},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {47},
     number = {2},
     year = {2006},
     mrnumber = {2248226},
     zbl = {1170.18301},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_2006__47_2_107_0/}
}
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Grandis, Marco. Lax $2$-categories and directed homotopy. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 47 (2006) no. 2, pp. 107-128. http://www.numdam.org/item/CTGDC_2006__47_2_107_0/

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