Products of cocycles and extensions of mappings by Norman Steenrod
= Products of cocycles and extensions of mappings by Norman Steenrod
{c}
{tag=Work by Norman Steenrod}
{title2=1947}
https://doi.org/10.2307/1969172
Annals of Mathematics 48(2), 290–320. Primary publisher record: https://www.jstor.org/stable/1969172 . Original paper introducing cochain constructions underlying the mod-two cohomology operations. Full publisher text was inaccessible; bibliographic record and later primary mathematical expositions identify the contribution.