@article{KUTGS_2003_24_a0,
     author = {B. N. Shapunkov},
     title = {Preface},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {5},
     year = {2003},
     volume = {24},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_2003_24_a0/}
}