@article{10_4064_cm_12_1_23_39,
     author = {S. Hartman and C. Ryll-Nardzewski},
     title = {Almost periodic extensions of functions},
     journal = {Colloquium Mathematicum},
     pages = {23--39},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1964},
     doi = {10.4064/cm-12-1-23-39},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-12-1-23-39/}
}