Published in: Regional conference series in mathematics ; 120

Published in: M. B. Porter lectures

Published in: M.B. Porter lectures- Princeton Legacy Library

Published in: Annals of mathematics studies ; 44

Published in: Bulletin of the American Mathematical Society

Published in: Journal d'Analyse Mathématique

Published in: Proceedings of the American Mathematical Society

Published in: Proceedings of the American Mathematical Society

Published in: Proceedings of the American Mathematical Society

Published in: Lecture Notes in Mathematics

Published in: Journal of Algebra

Published in: Mathematical Systems Theory

Published in: Bulletin of the American Mathematical Society

Published in: Bulletin of the American Mathematical Society

Published in: Transactions of the American Mathematical Society

Published in: Transactions of the American Mathematical Society

Published in: Transactions of the American Mathematical Society

Published in: The Annals of Mathematics

Published in: Annals of Mathematics