@article{RM_1988_43_1_a25,
     author = {V. A. Zinov'ev and S. N. Litsyn},
     title = {Lower bounds for complete rational trigonometric sums},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {259--260},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1988_43_1_a25/}
}