1
Published: 1990.
Superior document: Memoirs of the American Mathematical Society, Volume 87, Number 435
2
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
Links: Get full text; Get full text; Cover
3
Published: [2020]
Superior document: Title is part of eBook package: De Gruyter DG Plus PP Package 2020 Part 2
Links: Get full text; Get full text; Cover