@article{KUTGS_1997_23_a20,
     author = {B. N. Shapukov and V. R. Kaigorodov},
     title = {Aleksandr {Petrovich} {Shirokov} (on the occasion of his seventieth birthday)},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {231--244},
     publisher = {mathdoc},
     volume = {23},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1997_23_a20/}
}