@article{ZNSL_1985_144_a2,
     author = {E. P. Golubeva},
     title = {Waring's problem for a ternary quadratic form and an arbitrary even power},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {27--37},
     publisher = {mathdoc},
     volume = {144},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_144_a2/}
}