@article{KUIPM_1989_a15,
     author = {P. V. Pshenichnyi},
     title = {Deductive approach to {CAD/CAM} systems},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {145--152},
     publisher = {mathdoc},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1989_a15/}
}