@article{TM_2013_282_a10,
     author = {I. N. Kovalenko},
     title = {B. {A.~Sevastyanov's} famous theorem},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {132--134},
     year = {2013},
     volume = {282},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2013_282_a10/}
}