On finite T 0 -spaces Doyle, P. H. — 1967 General Topology and its Relations to Modern Analysis and Algebra
The Asymptotic Value of the Circle-Packing Rigidity Constants sn . B. Rodin; Zheng-Xu He; P. Doyle — 1994 Discrete & computational geometry
Second Derivatives of Circle Packings and Conformai Mappings. B. Rodin; Zheng-Xu He; P. Doyle — 1994 Discrete & computational geometry