@article{ASNSP_1969_3_23_2_223_0,
     author = {Bombieri, E. and Davenport, H.},
     title = {Some inequalities involving trigonometrical polynomials},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {223--241},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 23},
     number = {2},
     year = {1969},
     mrnumber = {249391},
     zbl = {0186.08201},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1969_3_23_2_223_0/}
}