@article{1077491077, author = {Haberzetle, Mary}, title = {The Waring problem with summands }, journal = {Duke Math. J.}, volume = {5}, number = {1}, year = {1939}, pages = { 49-57}, language = {en}, url = {http://dml.mathdoc.fr/item/1077491077} }
Haberzetle, Mary. The Waring problem with summands . Duke Math. J., Tome 5 (1939) no. 1, pp. 49-57. http://gdmltest.u-ga.fr/item/1077491077/