1
Published: 2003.
Superior document: Memoirs of the American Mathematical Society, number 773
Links: Get full text
2
Published: 1990.
Superior document: Memoirs of the American Mathematical Society, Volume 86, Number 432
Links: Get full text
3
Published: 2009.
Superior document: Memoirs of the American Mathematical Society, Number 952
Links: Get full text
4
Published: 2003.
Links: Get full text