Blumenthal, Leonard M.; Menger, Karl
Distance Geometries. A Study of the Development of Abstrat Metrics [The University of Missouri Studies, Volume XIII, Number 2].
Columbia, University of Missouri, 1938, paperbound, 4to, 145 pp., theory of convexity; characterization problems; determinant theory; calculus of variations; good condition (clean, no annotations). . .

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Keywords: mathematics, geometry, metrics