Rudoffer, S., & Baker, I. N. (1967). Mathematics observed. Hans Freudenthal.
Chicago Edition CitationRudoffer, Stephen, and I N. Baker. Mathematics Observed. London: Hans Freudenthal, 1967.
Deismireacht MLARudoffer, Stephen, and I N. Baker. Mathematics Observed. Hans Freudenthal, 1967.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.