@article{MO_2019_1_a2,
     author = {A. M. Iglitsky},
     title = {Two geometric notes},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {13--21},
     year = {2019},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2019_1_a2/}
}