%0 Journal Article %A Sangwin, Chris %D 2015 %T An audited elementary algebra %U https://repository.lboro.ac.uk/articles/journal_contribution/An_audited_elementary_algebra/9368204 %2 https://repository.lboro.ac.uk/ndownloader/files/16978649 %K untagged %X An audited elementary algebra %I Loughborough University