@article{NGWGMP_1920__1920_59073,
     author = {G. H. Hardy and J. E. Littlewood},
     title = {Some problems of {'Partitio} numerorum'; {I:} {A} new solution of {Waring`s} problem},
     journal = {Nachrichten von der Gesellschaft der Wissenschaften zu G\"ottingen, Mathematisch-Physikalische Klasse},
     pages = {33--54},
     publisher = {mathdoc},
     volume = {1920},
     year = {1920},
     zbl = {47.0114.02},
     url = {http://geodesic.mathdoc.fr/item/NGWGMP_1920__1920_59073/}
}