TY  - DATA
AU  - Heller Alex
TI  - Applications of categorical algebra
T2  - Proceedings of symposia in pure mathematics, 
SN  - 9780821893029 (online)
PY  - 1970///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Algebra, Homological
KW  - Categories (Mathematics)
N1  - [proceedings
UR  - https://doi.org/10.1090/pspum/017
ER  -