TY  - BOOK
AU  - Baez John C
AU  - May J Peter
TI  - Towards higher categories
SN  - 978-1-4419-1523-8
U1  - 512.55 
PY  - 2010///
CY  - New York
PB  - Springer-Verlag
KW  - Categories (Mathematics)
KW  - Homological algebra
ER  -