@article{VKAM_2017_2_a10,
     author = {M. M. Esonov},
     title = {Building a straight line perpendicular to a given line},
     journal = {Vestnik KRAUNC. Fiziko-matemati\v{c}eskie nauki},
     pages = {111--116},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VKAM_2017_2_a10/}
}