@misc{MO_1998_4_1_a4,
     title = {A {Problem} (to be continued)},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {68},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_1998_4_1_a4/}
}