@article{RM_2010_65_4_a1,
     author = {M. Z. Garaev},
     title = {Sums and products of sets and estimates of~rational trigonometric sums in fields of prime order},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {599--658},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2010_65_4_a1/}
}