LEADER 00000nam 2200217 a 4500
001 0471089753
003 UkHlHU
007 t
008 991026s1981 000
020 0471089753
040 UkHlHU
050 4 QA 43 P7
100 1 Pólya, George,|d1887-1985.
245 10 Mathematical discovery :|bon understanding, learning, and
teaching problem solving /|cGeorge Polya.
250 Combined [3rd] ed.
260 New York :|bJohn Wiley & Sons Ltd.,|c1981.
300 220p.
650 0 Mathematics|xProblems, exercises, etc.
650 0 Problem solving.
|