@article{MVK_2014_5_a5,
     author = {B. A. Pogorelov and M. A. Pudovkina},
     title = {Orbital derivatives on residue rings. {Part~I.} {General} properties},
     journal = {Matemati\v{c}eskie voprosy kriptografii},
     pages = {99--127},
     publisher = {mathdoc},
     volume = {5},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MVK_2014_5_a5/}
}