@article{GDZPPN002086018,
title = {Steenrod Operations in Homological Algebra.},
journal = {Inventiones mathematicae},
volume = {1},
year = {1966},
pages = {152-208},
zbl = {0139.01502},
url = {http://dml.mathdoc.fr/item/GDZPPN002086018}
}
EPSTEIN, D. B. A. Steenrod Operations in Homological Algebra.. Inventiones mathematicae, Tome 1 (1966) pp. 152-208. http://gdmltest.u-ga.fr/item/GDZPPN002086018/