Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
512.2 H861 90359
Howie J M Introduction to semigroups theory London Academic Press 1976 x,272p. 0-12-356950-8 * Group theory Semigroup