Problem of Apollonius
References:
Hilda P. Hudson, Ruler
& Compasses, pp. 95-98.
Roger A. Johnson, Advanced
Euclidean Geometry, pp. 117-121.
Dan Pedoe, Circles,
A Mathematical View, pp. 21-23.
Dan Pedoe, Geometry,
A Comprehensive Course, pp. 101-105.
Julius Petersen, Methods
and Theories for the Solution of Geometrical Constructions Applied to 400
Problems, pp. 94-95.