1. Quasi-ideals in rings and semigroups
Author: Steinfeld, Otto
Library: Central Library and Documentation Center (Kerman)
Subject: ، Associative rings,، Semigroups,، Ideals )Algebra(
Classification :
QA
251
.
5
.
S79
2. Rings and semigroups
Author: Petrich, Mario
Library: Library of Institute for Research in Fundamental Sciences (Tehran)
Subject: ، Semigroups,، Associative rings
Classification :
QA
3
.
L28
Vol
.
380
3. Rings and semigroups
Author: Petrich, Mario
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Semigroups,Associative rings
Classification :
QA
3
.
L28
no
.
380
4. Rings and semigroups
Author: Petrich, Mario.
Library: Central Library and Documentation Center (Kerman)
Subject: ، Semigroups,، Associative rings
Classification :
QA
1
.
L4
v
.
380
