@article{10_1017_S0017089500000665,
     author = {Tranter, C. J.},
     title = {Some triple trigonometrical series},
     journal = {Glasgow mathematical journal},
     pages = {121--125},
     year = {1969},
     volume = {10},
     number = {2},
     doi = {10.1017/S0017089500000665},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000665/}
}