By Korostenski Mareli   Zelenyuk Yuliya   in Quaestiones Mathematicae

ISSN:1727-933X|33|2|161-169

Taylor & Francis Ltd‎(2010)‎

Access to resources Favorite 18.040329

By Shuungula Onesmus   Zelenyuk Yevhen   Zelenyuk Yuliya   in Semigroup Forum

ISSN:0037-1912|82|2|252-260

Springer Publishing Company ‎(2011)‎

Access to resources Favorite 13.530246