TY  - DATA
AU  - Warren, Richard
TI  - The structure of k-CS-transitive cycle-free partial orders 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470401993 (online)
PY  - 1997///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0614
ER  -