TY  - DATA
AU  - Snapper, Ernst
TI  - Cohomology theory and algebraic correspondences 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9780821899762 (online)
PY  - 1959///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0033
ER  -