00293nam a2200109Ia 450000500170000000800410001708200140005810000160007224500530008826000340014130000080017520260224041042.0260224s9999||||xx |||||||||||||| ||und|| a510.3 TAN aTanton, J.  0aViva-facts on file of ncyclopedia of mathematics aNew York: Facts on Filec2005 a568