- elementary coboundary
- мат.элементарная кограница
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Group cohomology — This article is about homology and cohomology of a group. For homology or cohomology groups of a space or other object, see Homology (mathematics). In abstract algebra, homological algebra, algebraic topology and algebraic number theory, as well… … Wikipedia