LEADER 00000nam 2200217 a 4500 001 0486284336 007 t 008 010724r19951974xxua rb 001 eng 020 0486284336 040 CURLLC 050 4 QA 43 W6 100 1 Wickelgren, Wayne A. 245 10 How to solve mathematical problems. 260 New York :|bDover,|c1995. 300 262p. 500 Originally published: San Francisco : W.H. Freeman, 1974, in series: A series of books in psychology. 650 0 Mathematics|xProblems, exercises, etc. 650 0 Problem solving.
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