@misc{RM_2007_62_1_a13,
     title = {In the {Saint-Petersburg} {Mathematical} {Society}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {203--211},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2007_62_1_a13/}
}