@article{10_4064_aa_60_2_191_202,
     author = {Imre Ruzsa},
     title = {Arithmetic progressions in sumsets},
     journal = {Acta Arithmetica},
     pages = {191--202},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1991},
     doi = {10.4064/aa-60-2-191-202},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-60-2-191-202/}
}