@article{ZNSL_2016_454_a7,
     author = {A. Yu. Zaitsev},
     title = {Arak's inequalities for the generalized arithmetic progressions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {151--157},
     publisher = {mathdoc},
     volume = {454},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2016_454_a7/}
}