@article{GDZPPN002358565,
title = {Pyramids of higher order cohomology operations in the p-torsion-free category.},
journal = {Mathematica Scandinavica},
volume = {56},
year = {1985},
pages = {127-154},
zbl = {0562.55018},
url = {http://dml.mathdoc.fr/item/GDZPPN002358565}
}
Holtzman, D.N. Pyramids of higher order cohomology operations in the p-torsion-free category.. Mathematica Scandinavica, Tome 56 (1985) pp. 127-154. http://gdmltest.u-ga.fr/item/GDZPPN002358565/