TY  - GEN
AU  - Erdos, P
AU  - Renyi, A
AU  - Sos, Vera T
TI  - Combinatorial theory and its applications, Vol.1
T2  - Colloquia Mathematica Societatis Janos Bolyai, 4
U1  - 511.6 
PY  - 1970///
CY  - Amsterdam
PB  - North-Holland
KW  - COMBINATORIAL THEORY
KW  - MATHEMATICS
ER  -