- planar nearring
- мат.плоское почти-кольцо
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Nearring — In mathematics, a near ring (also near ring or nearring) is an algebraic structure similar to a ring, but that satisfies fewer axioms. Near rings arise naturally from functions on groups. Contents 1 Definition 2 Mappings from a group to itself 3 … Wikipedia