%0 Journal Article %A P. V. Pshenichnyi %T Deductive approach to CAD/CAM systems %J Issledovaniya po Prikladnoi Matematike i Informatike %D 1989 %P 145-152 %V 16 %N 16 %U http://geodesic.mathdoc.fr/item/KUIPM_1989_16_16_a15/ %G ru %F KUIPM_1989_16_16_a15