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Nelsen, Roger B. Proofs without words. Vol. 1: Excercises in visual thinking Providence, Rhode Island : MAA Press, 2020. vii, 152 p. -- (AMS/MAA classroom resource materials ; vol. 1) QA90 N45 2020 V.1 |
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Nelsen, Roger B. Proofs without words. Vol. 1: Excercises in visual thinking Providence, Rhode Island : MAA Press, 2020. vii, 152 p. -- (AMS/MAA classroom resource materials ; vol. 1) QA90 N45 2020 V.1 |