Recommended Citation
Published in Transactions of the American Mathematical Society, Volume 278, Issue 1, July 1, 1983, pages 361-368.
This article was first published in Transactions of the American Mathematical Society, published by the American Mathematical Society. Copyright © 1983 American Mathematical Society. The definitive version is available at http://dx.doi.org/10.1090/S0002-9947-1983-0697080-X.
Disciplines
Mathematics
URL: http://digitalcommons.calpoly.edu/math_fac/37