Senapati, Tapan A Study on fuzzy BCK / BCI-algebras and related algebraic systems / researched by Tapan Senapati; guided by Madhumangal Pal and Monoranjan Bhowmik. - Midnapore : Vidyasagar University, 2013. - iii,194p. : figure ; 26cm Document represent Ph.D Thesis Subjects--Index Terms: FUZZY SETS SET THEORY Dewey Class. No.: 511.322 / SEN/S