# Almost zip Bezout domain

- Written by Bohdan Zabavsky
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Professor

Department of Algebra and Logic

Faculty of Mechanics and Mathematics

Ivan Franko National University of L'viv

**Abstract:**

**Theorem**. Let R be a commutative Bezout domain and in R for any non-zero and non-unit element a factor-ring R/rad(aR) is zip. Then R is an elementary divisor ring.