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 L197 95991
Lallement Gerard Semigroups and combinatorial applications NY John Wiley 1979 xi,376p. 0-471-04379-6 * Combinatorial analysis Group theory Semigroup