13F99 5 elementary divisor ring 5 neat ring 5 Bezout ring 4 clean ring 4 neat range one 3 stable range one 3 UDC 512.552.12 2 clear ring 2 duo ring 2 idempotent stable range 1 2 УДК 512.552.12 2 дуо-кільце 2 ідемпотентний стабільний ранг 1 2 06F20 1 13F15 1 19B10 1 Bezout domain 1 Bezout duo-domain 1 Distributive domain 1 Hermite ring 1 Smith form 1 Type AMS subject classification here 1 UDC 512.64 1 a Bezout domain 1 a co-adequate element 1 a ring of stable range 1 1 abelian ring 1 an adequate domain 1 an element of almost stable range 1 1