@article{IM2_1985_25_3_a1,
     author = {G. I. Arkhipov and A. N. Zhitkov},
     title = {On~Waring's problem with nonintegral exponent},
     journal = {Izvestiya. Mathematics },
     pages = {443--454},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1985_25_3_a1/}
}