TY  - DATA
AU  - Thomas, Emery.
TI  - The generalized Pontrjagin cohomology operations and rings with divided powers 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9780821899694 (online)
PY  - 1957///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0027
ER  -