How to use groups
Leech, J W; Newman, D J
How to use groups - - Methuen & Co., London 1969 - 133 - .
Algebras based on group properties
R 512.24 LEE-H
How to use groups - - Methuen & Co., London 1969 - 133 - .
Algebras based on group properties
R 512.24 LEE-H