@article{1102945430, author = {Sanders, Thomas J.}, title = {Shape groups and products.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 485-496}, language = {en}, url = {http://dml.mathdoc.fr/item/1102945430} }
Sanders, Thomas J. Shape groups and products.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 485-496. http://gdmltest.u-ga.fr/item/1102945430/