APA
Fotedar Girdhari Lal, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Dr. P K Menon Gu & University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1972). Bisimple semigroups and their associated rings and isotopy of groupoids. : .
Chicago
Fotedar Girdhari Lal, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Dr. P K Menon Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. 1972. Bisimple semigroups and their associated rings and isotopy of groupoids. : .
Harvard
Fotedar Girdhari Lal, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Dr. P K Menon Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. (1972). Bisimple semigroups and their associated rings and isotopy of groupoids. : .
MLA
Fotedar Girdhari Lal, University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics, Dr. P K Menon Gu and University of Delhi. Faculty of Mathematical Sciences. Department of Mathematics. Bisimple semigroups and their associated rings and isotopy of groupoids. : . 1972.