@article{JTNB_2007__19_1_1_0,
     author = {Paulo J. Almeida},
     title = {Sign changes of error terms related to arithmetical functions},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {1--25},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {1},
     year = {2007},
     doi = {10.5802/jtnb.570},
     mrnumber = {2332050},
     language = {en},
     url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.570/}
}