1
Cyhoeddwyd: [2023];, [2023]
Superior document: Title is part of eBook package: De Gruyter EBOOK PACKAGE COMPLETE 2023 English
2
Cyhoeddwyd: [2004]
Superior document: Contemporary mathematics ; 351
Links: Cael y testun llawn
3
Cyhoeddwyd: [2008]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: 2013.
5
Cyhoeddwyd: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover