Krantz, S. G. (1997). Techniques of problem solving. American Mathematical Society.
Chicago Edition CitationKrantz, Steven G. Techniques of Problem Solving. Providence, R.I.: American Mathematical Society, 1997.
Cita MLAKrantz, Steven G. Techniques of Problem Solving. American Mathematical Society, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.