@article{MASLO_1968__18_2_a0,
     author = {Wiegold, James},
     title = {Periodic {Series}},
     journal = {Mathematica slovaca},
     pages = {81--82},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1968},
     mrnumber = {0237653},
     zbl = {0159.30603},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1968__18_2_a0/}
}