TY  JOUR
TI  «Impossible» geometrical figures
KW  «impossible» geometrical figures
KW  projection method
KW  educational activity
KW  motivation
KW  visualization
KW  descriptive geometry
KW  computerization of academic activity
KW  teaching.
JO  Geometry & Graphics
AU  Stepura, E..
PY  2013
IS  1
PB  INFRA-M Academic Publishing LLC.