@article{PIM_1964_N_S_04_18_a4,
     author = {Dragomir \v{Z}. {\DJ}okovi\'c},
     title = {Summation {Of} {Certain} {Types} {Of} {Series}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {43 },
     publisher = {mathdoc},
     volume = {_N_S_04},
     number = {18},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a4/}
}