@article{1256054562, author = {Porter, Gerald J.}, title = {Higher order Whitehead products and Postnikov systems}, journal = {Illinois J. Math.}, volume = {11}, number = {4}, year = {1967}, pages = { 414-416}, language = {en}, url = {http://dml.mathdoc.fr/item/1256054562} }
Porter, Gerald J. Higher order Whitehead products and Postnikov systems. Illinois J. Math., Tome 11 (1967) no. 4, pp. 414-416. http://gdmltest.u-ga.fr/item/1256054562/