@article{CTGDC_1992__33_3_223_0, author = {Diers, Yves}, title = {The Zariski category of graded commutative rings}, journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques}, volume = {33}, year = {1992}, pages = {223-224}, mrnumber = {1186946}, zbl = {0777.18003}, language = {en}, url = {http://dml.mathdoc.fr/item/CTGDC_1992__33_3_223_0} }
Diers, Yves. The Zariski category of graded commutative rings. Cahiers de Topologie et Géométrie Différentielle Catégoriques, Tome 33 (1992) pp. 223-224. http://gdmltest.u-ga.fr/item/CTGDC_1992__33_3_223_0/