@misc{MO_1998_1_a3,
     title = {The {Summer} {Camp} {"Integral"} of the {Volgograd} {Region}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {52--67},
     year = {1998},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_1998_1_a3/}
}