Hansen, Vagn Lundsgaard.
Shadows of the Circle : Conic Sections, Optimal Figures and Non-Euclidean Geometry - Singapore World Scientific 1998 - 111p
981 02 3418 X
Shadows
514 HAN
Shadows of the Circle : Conic Sections, Optimal Figures and Non-Euclidean Geometry - Singapore World Scientific 1998 - 111p
981 02 3418 X
Shadows
514 HAN