@misc{ADM_2008_4_a9,
     title = {Mathematics competition~2009},
     journal = {Algebra and discrete mathematics},
     pages = {103--1005},
     publisher = {mathdoc},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2008_4_a9/}
}