@article{MO_2005_3_a2,
     author = {S. V. Dvoryaninov},
     title = {Two {Notes} on {Mathematics}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {42--50},
     year = {2005},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2005_3_a2/}
}