@article{MOMA_1991__112_3_178548,
     author = {Imre Z. Ruzsa},
     title = {Diameter of {Sets} and {Measure} of {Sumsets.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {323--328},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {1991},
     zbl = {0737.28006},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1991__112_3_178548/}
}