MATHEMATICS -- DRIEL, M.J. v. Magic Squares of (2n+1)2 Cells. A mathematical curiosity containing new research in an old and special field. (&) A supplement to Magic Squares (…). Lond., Rider & Co., (1936-39). 2 vols. 90, (1); 31 pp. Ocl. w. dust-j. & cl.
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