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@article{MZM_1970_7_6_a0, author = {B. G. Kotsarev}, title = {The number of solutions of a {Waring-type} congruence}, journal = {Matemati\v{c}eskie zametki}, pages = {665--670}, publisher = {mathdoc}, volume = {7}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a0/} }
B. G. Kotsarev. The number of solutions of a Waring-type congruence. Matematičeskie zametki, Tome 7 (1970) no. 6, pp. 665-670. http://geodesic.mathdoc.fr/item/MZM_1970_7_6_a0/