@article{TM_1976_142_a16,
     author = {A. G. Postnikov and S. A. Stepanov},
     title = {On the theory of {Jacobsthal} sums},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {208--214},
     year = {1976},
     volume = {142},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1976_142_a16/}
}