TY  - DATA
AU  - Daepp, Ulrich
TI  - Finding ellipses: what Blaschke products, Poncelet's theorem, and the numerical range know about each other 
T2  - Carus Mathematical Monographs, 
SN  - 9781470448813 (online)
PY  - 2018///
CY  - Washington, DC
PB  - Mathematical Association of America
KW  - Conic sections
KW  - Ellipse
KW  - Geometry, Projective
KW  - Operator theory -- General theory of linear operators -- General (adjoints, conjugates, products, inverses, domains, ranges, etc.) and etc
UR  - https://doi.org/10.1090/car/034
ER  -