@misc{SM_2015_206_1_a0,
     title = {Editorial},
     journal = {Sbornik. Mathematics},
     pages = {1},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_1_a0/}
}