@article{10_4064_aa121_3_5,
     author = {David J. Grynkiewicz},
     title = {On the number of $m$-term zero-sum subsequences},
     journal = {Acta Arithmetica},
     pages = {275--298},
     publisher = {mathdoc},
     volume = {121},
     number = {3},
     year = {2006},
     doi = {10.4064/aa121-3-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa121-3-5/}
}