%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 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUIPM_1989_a15/ %G ru %F KUIPM_1989_a15