@article{MO_2007_a8,
     author = {N. N. Konstantinov},
     title = {Sheets of {Math} {Seminar} for {High} {School} {Students,} 2000},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {49--59},
     publisher = {mathdoc},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2007_a8/}
}