@article{MO_2015_4_a1,
     author = {A. A. Ostapenko},
     title = {Mathematics for high school students: from fragmentariness},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {22--25},
     year = {2015},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2015_4_a1/}
}