TY  - BOOK
AU  - Pultr, Ales
AU  - Trnkoua, Vera
TI  - Combinatorial algebraic and topological representations of groups, semigroups and categories
T2  - North Holland mathematical library
PY  - 1980///
CY  - New York
PB  - North Holland Pub Co
KW  - Group Theory
KW  - Mathematics
ER  -