TY  - BOOK
AU  - Yaglom,A.M.
AU  - Yaglom,I.M.
AU  - McCawley James
AU  - Gordon Basil
TI  - Challenging mathematical problems with elementary solutions
T2  - Dover Books on Advanced Mathematics
SN  - 0486655369 (v.1)
AV  - QA164 Y34 1987 
PY  - 1987///
CY  - New York
PB  - Dover Publications, 
KW  - lemb
KW  - Análisis Combinatorio
KW  - Problemas, ejercicios, etc
KW  - Probabilidades
KW  - Algebra
N1  - V.1 Combinatorial analysis and probability theory. --; V.2 Problems from various branches of mathematics
ER  -