Determination of all systems of [infinity symbol]⁴ curves in space in which the sum of the angles of every triangle is two right angles
By: by Jesse Douglas
Publisher: [s.n.]
Published: 1923
Place of publication: [s.l.]
Language: eng
Number of pages: 366
Notes: "Reprinted from the Bulletin of The American Mathematical Society, Vol. XXIX, No. 8, October, 1923."