Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact F70ADA7A-F0ED-11E1-A9DE-61C894A0A6B4 or (type any "bookEditor journalEditor issueEdi... cql: keyword exact "nonstandard analysis." Add to list PhD Thesis open access The reverse mathematics of elementary recursive nonstandard analysis: a robust contribution to the foundations of mathematics Sam Sanders (UGent) (2010)