Description
Fiedler,W. Anthology with 18 writings. Mod. Hardcover with ribbed boards. Contains among other things:╗ The theory of poles and polars in curves of higher order; with an introduction: two coordinate systems. P. (91)-130 - The problem of the Pappus and the laws of double intersection ratios for curves of higher orders and classes. pp. (377)-395 - Others. Some faint browning and spotting.
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