@article{SEMR_2012_9_a16,
     author = {V. A. Aleksandrov},
     title = {Around the {A.} {D.~Alexandrov's} theorem on a characterization of a sphere},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {639--652},
     year = {2012},
     volume = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2012_9_a16/}
}