TY  - BOOK
AU  - Erdos P.
AU  -  Sos Vera T.
ED  - Colloquium on combinatorial theory and its applications (1969 : Balatonfured)
TI  - Proceeding on Combinatorial theory and its applications
T2  - Calloquia mathematica societatis janos bilydi; 4
U1  - B217p1:N69, L0.2 
PY  - 1970///
KW  - Combinatorial analysis
ER  -