TY  - BOOK
AU  - Erdos P Ed.
AU  -  Renyi A Ed.
AU  -  Sos Vera T Ed.
ED  - Colloquium on combinatorial theory and its applications (1969 : Balatonfured)
TI  - Proceeding on Combinatorial theory and its applications I-III
U1  - B217p1:N69, L0.1 
PY  - 1970///
KW  - Combinatorial theory
ER  -