00297nam a2200109Ia 4500082001900000100001600019245008500035260003600120300002100156500000500177700000500182 a510.9bL524.MW aLehto, Olli aMathematics without borders; a history of the International Mathematical Unionb aNew YorkbSpringer-Verlagc1998 axvi, 399p. Index a a