@misc{MO_2017_81_1_a1,
     title = {The {XXV-th} {Interregional} {Math} {Olympiad} for {School} {Students} {SAMMAT}},
     journal = {Matemati\v{c}eskoe obrazovanie},
     pages = {3--14},
     publisher = {mathdoc},
     volume = {81},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MO_2017_81_1_a1/}
}