@article{MABA_1992_6_2_a8,
     author = {Cao Hui-Zhong},
     title = {On {Two} {Sums} {Related} to the {Prime} {Divisor} {Functions}},
     journal = {Mathematica balkanica},
     pages = {165},
     year = {1992},
     volume = {6},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_2_a8/}
}