TY  - BOOK
ED  - Symposia in Pure Mathematics( 1968 : Los Angles )
ED  - Symposia in Pure Mathematics
TI  - Combinatorics: proceedings
U1  - 510.6PM 
PY  - 1968///
CY  - Providence
PB  - AMS
KW  - Combinatorics
KW  - Mathematics
ER  -