Umbarger, Dan (1) Krantz, Steven (1) Hirsch, Morris W. (university Of Wisconsin, Smale, Stephen (department Of Mathematics, Devaney, Robert L. (department Of Mathematics (1) Masoodi, Syeed Masoodi, Masoodi, Zubair Sayeed, Dar, Khalid Bashir (1) Goodwin, Rosie (1)