Coxeter, H. S. M. The problem of Apollonius. (English) Zbl 0165.23802 Can. Math. Bull. 11, 1-17 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:elementary geometry × Cite Format Result Cite Review PDF Full Text: DOI