@misc{RM_1997_52_2_a40,
     title = {Meetings of the {St.~Petersburg} {Mathematical} {Society}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1997_52_2_a40/}
}