TY  - BOOK
AU  - Hansen Vagn Lundsgaard
TI  - Shadows of the Circle: Conic Sections, Optimal Figures and Non-Euclidean Geometry
SN  - 9789812839695
PB  - World Scientific
KW  - Mathematics
UR  - https://www.worldscientific.com/worldscibooks/10.1142/3743#t=toc
ER  -