@misc{RM_2008_63_2_a19,
     title = {Meetings of the {St.~Petersburg} {Mathematical} {Society}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {397--403},
     publisher = {mathdoc},
     volume = {63},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2008_63_2_a19/}
}