%0 Journal Article %A A. V. Tolstikov %T Application of fields formed by the Gauss periods to the investigation of cyclic diophantine equations %J Zapiski Nauchnykh Seminarov POMI %D 1977 %P 201-222 %V 67 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1977_67_a11/ %G ru %F ZNSL_1977_67_a11