@article{CM_1970__22_3_253_0,
     author = {Fricke, G. and Powell, R. E.},
     title = {A theorem on entire methods of summation},
     journal = {Compositio Mathematica},
     pages = {253--259},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {22},
     number = {3},
     year = {1970},
     mrnumber = {271577},
     zbl = {0202.05601},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1970__22_3_253_0/}
}