@article{PIM_1978_N_S_23_37_a19,
     author = {Anthony G. Pakes},
     title = {The {Characterization} {Of} {Series} {Amenable} {To} {Ratio} {Tests}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {155 },
     publisher = {mathdoc},
     volume = {_N_S_23},
     number = {37},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_23_37_a19/}
}