Echols Willam H (2 results)

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ON CERTAIN QUADRATIC FORMS WITH GEOMETRIC AND KINEMATIC INTERPRETATIONS
Echols, Willam H.
- Softcover
Seller: Xerxes Fine and Rare Books and Documents, Glen Head, NY, U.S.A.Xerxes Fine and Rare Books and Documents
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Condition: Good. Charlottesville 1912. Offprint from the Bulletin of the Philosophical Society, Scientific Series, Vol. 1, No. 9, February 1912 at pp. 231-242. Lg.8vo., wraps. Owner stamp on front. Good, later backstrip.
ON THE MAXIMUM AND MINIMUM VALUES OF A LINEAR FUNCTION OF THE RADIAL CO-ORDINATES OF A P0INT WITH RESPECT TO A SIMPLIFICATION IN SPACE OF N DIMENSIONS
Echols, Willam H.
- Softcover
Seller: Xerxes Fine and Rare Books and Documents, Glen Head, NY, U.S.A.Xerxes Fine and Rare Books and Documents
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Condition: Used - Good
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Condition: Good. Charlottesville 1910. Offprint from the Bulletin of the Philosophical Society, Scientific Series, Vol. 1, No. 3, June 1910 at pp. 45-84. Lg.8vo., wraps. Owner stamp on front. Good, wraps, spine chipped.