00357nam a2200121Ia 4500008004100000020001800041041000800059084001000067100001700077245008900094260003600183653001600219160808s2013    xx            000 0 eng d  a9781846681998  aeng  aB2CC  aStewart, Ian  aGreat mathematical problems:bmarvels and mysteries of mathematics /cby Ian Stewart  aLondon :bProfile Books,c2013.  aMathematics