History


Help on query formulation
On the different ways to introduce infinitely distant points in plane geometry. (Über die verschiedenen Möglichkeiten, in der ebenen Geometrie unendlich ferne Punkte einzuführen.) (German)
Math. Semesterber. 63, No. 1, 171-185 (2016).
Reprint of [the author, Semester-Berichte Bonn u. Münster 6, 62‒79 (1935; JFM 61.1344.01)].
Classification: A30 G40 G70
Valid XHTML 1.0 Transitional Valid CSS!