Abstract
Bulletin of Ike American Mathematical Society, July.—Surfaces whose first and second fundamental forms are the second and first respectively of another surface, by Dr. Eisenhart, was read at the February meeting. The results arrived at are—the ruled surfaces, defined by the equations
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Scientific Serial . Nature 64, 341 (1901). https://doi.org/10.1038/064341b0
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DOI: https://doi.org/10.1038/064341b0