TY  - BOOK
AU  - Childs,Lindsay
TI  - A concrete introduction to higher algebra
SN  - 9780387745275
AV  - QA155 C45 2009
U1  - 512/.7 20
PY  - 2009///
CY  - New York
PB  - Springer Science+Business Media
KW  - Álgebra
ER  -