@article{ND_2016_12_1_a0,
     author = {I. V. Matyushkin},
     title = {On some properties of an $\exp(iz)$ map},
     journal = {Russian journal of nonlinear dynamics},
     pages = {3--15},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2016_12_1_a0/}
}