@article{ASNSP_1940_2_9_1_13_0,
     author = {Tschakaloff, Ljubomir},
     title = {Trigonometrische {Polynome} mit einer {Minimumeigenschaft}},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {13--26},
     publisher = {Scuola normale superiore},
     volume = {Ser. 2, 9},
     number = {1},
     year = {1940},
     mrnumber = {1365},
     zbl = {0022.21701},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ASNSP_1940_2_9_1_13_0/}
}