@article{10_4064_sm_108_1_21_23, author = {D. J. Grubb}, title = {Certain lacunary cosine series are recurrent}, journal = {Studia Mathematica}, pages = {21--23}, publisher = {mathdoc}, volume = {108}, number = {1}, year = {1994}, doi = {10.4064/sm-108-1-21-23}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-108-1-21-23/} }