Видео с ютуба Ring Theory
Ring Definition (expanded) - Abstract Algebra
Number Systems Invented to Solve the Hardest Problem - History of Rings | Ring Theory E0
Ideals in Ring Theory (Abstract Algebra)
Abstract Algebra | What is a ring?
Lord of the Commutative Rings - Numberphile
Объясняя «теорию кольца в носу»
Why Negative Times Negative is Positive - Definition of Ring | Ring Theory E1
Abstract Algebra: The definition of a Ring