%0 Journal Article %T Properties of Dupin Cyclide and Their Application. Part 3: The Problem of Apollonius %A Sal'kov, N.A. %K pairing, descriptive geometry, cyclic surfaces, canal surface, Dupin cyclide, the problem of Apollonius. %J Geometry & Graphics %D 2015 %N 3 %P 11 %I INFRA-M Academic Publishing LLC.