@article{MO_2000_14_3_a4,
     author = {A. Yu. Evnin},
     title = {Two {Notes} on {Combinatorics}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {27--34},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2000_14_3_a4/}
}