@article{CTGDC_1986__27_4_107_0,
     author = {Guitart, Ren\'e},
     title = {On the geometry of computations},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {107--136},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {27},
     number = {4},
     year = {1986},
     mrnumber = {885373},
     zbl = {0615.18001},
     language = {en},
     url = {http://archive.numdam.org/item/CTGDC_1986__27_4_107_0/}
}