@article{DAN_1964_156_5_a15,
     author = {I. I. Artobolevsky},
     title = {Mechanisms for drawing parabolic and hyperbolic curves},
     journal = {Doklady Akademii Nauk},
     pages = {1049--1052},
     publisher = {mathdoc},
     volume = {156},
     number = {5},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_5_a15/}
}