@article{MZ_1936__40_168621, author = {K.S. Rao}, title = {Some {Easier} {Waring`s} {Problems}}, journal = {Mathematische Zeitschrift}, pages = {477--483}, publisher = {mathdoc}, volume = {40}, year = {1936}, zbl = {61.1065.03}, url = {http://geodesic.mathdoc.fr/item/MZ_1936__40_168621/} }