@article{DM_2017_29_3_a4,
     author = {D. G. Meshchaninov},
     title = {Closed classes of polynomials modulo $p^2$},
     journal = {Diskretnaya Matematika},
     pages = {54--69},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2017_29_3_a4/}
}