@article{VSGU_2017_2_a5,
     author = {V. V. Zaitsev and A. N. Shilin},
     title = {The mappings of van der {Pol--Dyuffing} generator in discrete time},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {51--59},
     publisher = {mathdoc},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2017_2_a5/}
}