TY  - BOOK
AU  - Engel,Arthur
TI  - Problem-solving strategies
T2  - Problem Books in Mathematics
SN  - 9788181280152
U1  - 510.76 
PY  - 1998///
CY  - New Delhi
PB  - Springer-Verlag
KW  - Mathematics
KW  - Problems Solving Strategies
N1  - Includes bibliography and index; Preface -- The Invariance principle -- Coloring proofs -- The External principle -- The Box principle -- Enumerative combinatorics -- Number theory -- Inequalities -- The Induction principle -- Sequences -- Polynomials -- Functional equations -- Geometry -- Games -- Further strategies
ER  -