@article{02096927, title = {Cochain operations defining Steenrod-}, journal = {Georgian Mathematical Journal}, volume = {10}, year = {2003}, pages = {115-125}, zbl = {1056.55007}, language = {en}, url = {http://dml.mathdoc.fr/item/02096927} }
Kadeishvili, T. Cochain operations defining Steenrod-. Georgian Mathematical Journal, Tome 10 (2003) pp. 115-125. http://gdmltest.u-ga.fr/item/02096927/