TY  - BOOK
AU  - Loren . C. Larson 
TI  - Problem-Solving through problems: Problems books in mathematics
SN  - 0387961712
PY  - 1983///
CY  - NewYork 
PB  - Springer Verlag. 
KW  - Mathematics-
KW  - problem,
KW  - exercises
KW  - Problem solving
N1  - it includes index
ER  -