@article{01563441, title = {On a quantum differential structure.}, journal = {Revista Colombiana de Matem\'aticas}, volume = {32}, year = {1998}, pages = {101-122}, zbl = {1054.58004}, language = {en}, url = {http://dml.mathdoc.fr/item/01563441} }
Guerrero, Berenice. On a quantum differential structure.. Revista Colombiana de Matemáticas, Tome 32 (1998) pp. 101-122. http://gdmltest.u-ga.fr/item/01563441/