@article{MVK_2021_12_3_a1,
     author = {A. M. Zubkov},
     title = {Entropy as the quality characteristic of random sequences},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {31--48},
     year = {2021},
     volume = {12},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2021_12_3_a1/}
}