Problem-solving strategies - Engel, Arthur (New Delhi: Springer-Verlag, 1998)
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
Includes bibliography and index
Keywords: Mathematics; Problems Solving Strategies