TY  - BOOK
AU  - Erdos, Paul.
AU  - Spencer, Joel H.
TI  - Probabilistic methods in combinatories
T2  - Probability and mathematical statistics
U1  - 519.2 
PY  - 1974///
CY  - New York
PB  - Academic Press
KW  - Combinaciones
KW  - Probabilidades
ER  -