olemus
ring, milles - korrutamine on kommutatiivne ja pole nullitegureid

Wiktionary:
(algebra, ring theory) any nonzero commutative ring in which the product of nonzero elements is nonzero

näiteid
- täisarvude ring
- mingisse korpusse kuuluvate kordajatega
polünoomide ringid

ülevaateid
https://en.wikipedia.org/wiki/Integral_domain

https://en.wikipedia.org/wiki/Domain_(ring_theory)

https://proofwiki.org/wiki/Definition:Integral_Domain

http://www.math.columbia.edu/~rf/integraldomains

https://www.chegg.com/homework-help/definitions/integral-domain-33

https://www.maths.tcd.ie/~dwilkins/Courses/MA3412/MA3412S2_Hil2014.pdf