Polya, G.
How To Solve It : A New Aspect Of Mathematical Method - 2 - New Jersey Princeton University Press 1973 - xxi;253 pb 5x8
0-691-02356-5
510.7 / Pol
How To Solve It : A New Aspect Of Mathematical Method - 2 - New Jersey Princeton University Press 1973 - xxi;253 pb 5x8
0-691-02356-5
510.7 / Pol