00322nam 2204043 45000010005000000030023000050050009000280080041000370820008000780720016000860200013001021000019001152600024001342450020001584043StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a511 amathematics aبدون aDaul R. Halmos bVan nostrand c1960 aNacveset theory