@article{10_4064_aa_60_2_105_123, author = {G. G\'at}, title = {On almost even arithmetical functions via orthonormal systems on {Vilenkin} groups}, journal = {Acta Arithmetica}, pages = {105--123}, publisher = {mathdoc}, volume = {60}, number = {2}, year = {1991}, doi = {10.4064/aa-60-2-105-123}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-60-2-105-123/} }