Numbers and Symmetry: An Introduction to Algebra
by Bernard L. Johnston, Fred Richman
ISBN 13: 9780849303012
Format: Paperback (272 pages) Publisher: CRC Press Published: 07 Jan 1997
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Varieties of Constructive Mathematics (London Mathematical Society Lecture Note Series)
by Douglas Bridges, Fred Richman
ISBN 13: 9780521318020
Format: Paperback (160 pages) Publisher: Cambridge University Press Published: 24 Apr 1987