TY  JOUR
TI  
KW  pairing
KW  descriptive geometry
KW  cyclic surfaces
KW  canal
surface
KW  cyclide of Dupin
KW  the task of Apollonius.
JO  Geometry & Graphics
AU  Sal'kov, N.A.
PY  2016
IS  4
PB  INFRA-M Academic Publishing LLC.