@article{AM2_1988__35_2-3_137260,
     author = {A. Hildebrand and W. Schwarz and J. Spilker},
     title = {Still another proof of {Parseval's} equation for almost-even arithmetical functions.},
     journal = {Aequationes mathematicae},
     pages = {132--139},
     publisher = {mathdoc},
     volume = {35},
     number = {2-3},
     year = {1988},
     zbl = {0661.10065},
     url = {http://geodesic.mathdoc.fr/item/AM2_1988__35_2-3_137260/}
}