Published in: Cambridge mathematical textbooks

Published in: Integral Equations and Operator Theory, 72 (2012) 1, Seite 115-130

Published in: Applied Mathematics, 1 (2010) 5, Seite 416-424

Published in: Colloquium Mathematicum, 107 (2007) 1, Seite 99-118

Published in: Proceedings of the American Mathematical Society, 128 (2000) 5, Seite 1381-1388

Published in: Sankhyā: The Indian Journal of Statistics, Series A (1961-2002), 62 (2000) 3, Seite 307-317

Published in: The American Mathematical Monthly, 106 (1999) 1, Seite 19-26

Published in: The American Mathematical Monthly, 106 (1999) 1, Seite 19

Published in: The American Mathematical Monthly, 106 (1999) 1, Seite 19-26

Published in: The American Mathematical Monthly, 104 (1997) 3, Seite 223-230

Published in: The American Mathematical Monthly, 104 (1997) 3, Seite 223

Published in: The American Mathematical Monthly, 104 (1997) 3, Seite 223-230

Published in: Proceedings of the American Mathematical Society, 54 (1976) 1, Seite 141-145

Published in: Proceedings of the American Mathematical Society, 54 (1976) 1, Seite 141

Published in: Proceedings of the American Mathematical Society, 54 (1976) 1, Seite 141-145

Published in: Linear Algebra and its Applications, 430 (2009) 4, Seite 1025-1038

Published in: Linear Algebra and its Applications, 369 (2003), Seite 279-294