Tomorrow's math:unsolved problems for the amateur
Ogilvy, Stanley C.
Tomorrow's math:unsolved problems for the amateur - New york: Oxford university press, 1962. - 182p. 21cm
Mathematics
510 / OGI
Tomorrow's math:unsolved problems for the amateur - New york: Oxford university press, 1962. - 182p. 21cm
Mathematics
510 / OGI