@article{KJM_2021_45_3_a1,
     author = {Mouloud Goubi},
     title = {Series {Expansion} of a {Cotangent} {Sum} {Related} to the {Estermann} {Zeta} {Function}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {343 },
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2021_45_3_a1/}
}