@article{10_4064_aa130_4_7,
     author = {Art\={u}ras Dubickas and Andrius Stankevi\v{c}ius},
     title = {Sumsets without powerful numbers},
     journal = {Acta Arithmetica},
     pages = {381--387},
     publisher = {mathdoc},
     volume = {130},
     number = {4},
     year = {2007},
     doi = {10.4064/aa130-4-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa130-4-7/}
}