TY  - BOOK
AU  - Petrich,Mario
TI  - Lectures in semigroups
SN  - 0471995142 :
U1  - 512.86 
PY  - 1977///
CY  - London
PB  - John Wiley
KW  - Semigroups
KW  - Matrices
KW  - Decomposition (Mathematics)
N1  - "Most of the present material was the content of a course given to advanced graduate students at the Pennsylvania State University in 1972/73."; Includes bibliographical references and index
ER  -