@article{MZ_1939__44_168811,
     author = {L., Hua},
     title = {On the representation of numbers as the sums.of the powers of primes},
     journal = {Mathematische Zeitschrift},
     pages = {335--346},
     publisher = {mathdoc},
     volume = {44},
     year = {1939},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MZ_1939__44_168811/}
}