@article{DM_2012_24_3_a2,
     author = {V. G. Sargsyan},
     title = {Counting $k$-sumsets in groups of prime order},
     journal = {Diskretnaya Matematika},
     pages = {25--38},
     publisher = {mathdoc},
     volume = {24},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2012_24_3_a2/}
}