00281nam a2200109Ia 450000500170000000800410001708200170005810000170007524500440009226000270013630000080016320260205051914.0260111s9999||||xx |||||||||||||| ||und||  a510.3  Ar67E  aArora, S. K. 0aEncyclopaedic dictionary of mathematics  aNew DelhibAnmolc1991  a3v.