@article{10_2298_PIM0374037N,
     author = {Servat Nyandwi},
     title = {Mean {Value} of {Piltz'} {Function} {Over} {Integers} {Free} of {Large} {Prime} {Factors}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {37 },
     publisher = {mathdoc},
     volume = {_N_S_74},
     number = {88},
     year = {2003},
     doi = {10.2298/PIM0374037N},
     zbl = {1085.11045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/PIM0374037N/}
}