@article{10_1007_s10587_016_0264_z,
     author = {Guo, Jing and Li, Xiaoxue},
     title = {On the $k$-polygonal numbers and the mean value of {Dedekind} sums},
     journal = {Czechoslovak Mathematical Journal},
     pages = {409--415},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {2016},
     doi = {10.1007/s10587-016-0264-z},
     mrnumber = {3519610},
     zbl = {06604475},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0264-z/}
}