@article{PMFA_1972_17_4_a6,
     author = {Drs, Ladislav},
     title = {Pou\v{z}it{\'\i} samo\v{c}inn\'ych po\v{c}{\'\i}ta\v{c}\r{u} a automatick\'eho kreslen{\'\i} v deskriptivn{\'\i} geometrii},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {199--203},
     year = {1972},
     volume = {17},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972_17_4_a6/}
}