@article{10_4064_aa110_3_4,
     author = {Lu{\'\i}s Ro\c{c}adas},
     title = {The integral mean of the sum-of-digits function of the {Ostrowski} expansion},
     journal = {Acta Arithmetica},
     pages = {239--258},
     publisher = {mathdoc},
     volume = {110},
     number = {3},
     year = {2003},
     doi = {10.4064/aa110-3-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa110-3-4/}
}