00330nam a22001217a 4500003000400000005001700004008004100021020001500062040000800077100001900085245006100104260004300165OSt20180723145921.0180723b        xxu||||| |||| 00| 0 eng d  a0716720647  cN/A  aIvars Peterson  aThe mathematics tourist:bsnapshop of modern mathematics  aNewYorkbW.H.Freeman and companyc1988