@article{GDZPPN002343681, title = {Some problems in the theory of almost periodic functions}, journal = {Mathematica Scandinavica}, volume = {3}, year = {1955}, pages = {49-67}, zbl = {0065.07104}, url = {http://dml.mathdoc.fr/item/GDZPPN002343681} }
HELGASON, SIGURDUR. Some problems in the theory of almost periodic functions. Mathematica Scandinavica, Tome 3 (1955) pp. 49-67. http://gdmltest.u-ga.fr/item/GDZPPN002343681/