@article{1103857800, author = {Edwards, C. M.}, title = {The theory of pure operations}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 260-288}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857800} }
Edwards, C. M. The theory of pure operations. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 260-288. http://gdmltest.u-ga.fr/item/1103857800/