@misc{ZNSL_1982_114_a21,
     title = {Annals},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {215--216},
     publisher = {mathdoc},
     volume = {114},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1982_114_a21/}
}