TY  - BOOK
AU  - Rival Ivan ed.
ED  - NATO Advanced study Institute( 1981 : Banff,Canada )
ED  - NATO Advanced study Institute
TI  - Ordered sets: proceedings
SN  - 90-277-1396-0
U1  - 511.32 
PY  - 1982///
CY  - Dordrecht
PB  - D Reidel Pub
KW  - Mathematical logic
KW  - Set theory
ER  -