@article{TM_2021_314_a14,
     author = {Tomasz Schoen},
     title = {On {Sumsets} of {Subsets} of {Squares}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {311--317},
     year = {2021},
     volume = {314},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2021_314_a14/}
}