@article{MZM_2017_102_3_a8,
     author = {A. S. Semchenkov},
     title = {Maximal {Subsets} {Free} of {Arithmetic} {Progressions} in {Arbitrary} {Sets}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {436--444},
     publisher = {mathdoc},
     volume = {102},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2017_102_3_a8/}
}