@article{CTGDC_1984__25_1_41_0, author = {Betti, Renato}, title = {Shape theory in a bicategory}, journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques}, pages = {41--49}, publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS}, volume = {25}, number = {1}, year = {1984}, mrnumber = {764970}, zbl = {0541.18005}, language = {en}, url = {http://www.numdam.org/item/CTGDC_1984__25_1_41_0/} }