TY  JOUR
TI  New Problems of Descriptive Geometry. Continuation
KW  analytical figure; zero-circle; imaginary addition; left isotrope; right isotrope; circular zero-cylinder; null-cylinder disintegration; isotropic planes; isotropic cone
JO  Geometry & Graphics
AU  Girsh, A.G.
PY  2022
IS  9
PB  INFRA-M Academic Publishing LLC.