Epimorphically preserved semigroup identities

W Ashraf - J. Semigroup Theory Appl., 2016 - scik.org
1. Introduction Page 1 Available online at http://scik.org J. Semigroup Theory Appl. 2017,
2017:1 ISSN: 2051-2937 EPIMORPHICALLY PRESERVED SEMIGROUP IDENTITIES WAJIH …

[PDF][PDF] Epimorphisms and heterotypical identites-II

W Ashraf, NM Khan - J. Semigroup Theory Appl., 2012 - scik.org
1. Introduction Page 1 Available online at http://scik.org J. Semigroup Theory Appl. 1 (2012),
No. 1, 1-28 EPIMORPHISMS AND HETEROTYPICAL IDENTITIES-II WAJIH ASHRAF∗ AND …