@article{MM2_1990__69_1_155550,
     author = {Werner Georg Nowak},
     title = {A two-sides omega-theorem for an asymmetric divisor problem.},
     journal = {Manuscripta mathematica},
     pages = {153--172},
     publisher = {mathdoc},
     volume = {69},
     number = {1},
     year = {1990},
     zbl = {0707.11065},
     url = {http://geodesic.mathdoc.fr/item/MM2_1990__69_1_155550/}
}