@misc{ADM_2007_3_a14,
     title = {Mathematics competition},
     journal = {Algebra and discrete mathematics},
     pages = {161--163},
     publisher = {mathdoc},
     number = {3},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2007_3_a14/}
}