@article{IVM_2021_9_a8,
     author = {B. G. Mubarakov},
     title = {On the number of primality witnesses of composite integers},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {86--91},
     publisher = {mathdoc},
     number = {9},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2021_9_a8/}
}