@article{10_37236_4881,
     author = {B\'ela Bajnok and Ryan Matzke},
     title = {The minimum size of signed sumsets},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {2},
     doi = {10.37236/4881},
     zbl = {1356.11011},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4881/}
}