@article{CMH_1969__44_139409,
     author = {J. Steinig},
     title = {The {Changes} of {Sign} of {Certain} {Arithmetical} {Error-Terms.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {385--400},
     publisher = {mathdoc},
     volume = {44},
     year = {1969},
     zbl = {0188.34803},
     url = {http://geodesic.mathdoc.fr/item/CMH_1969__44_139409/}
}