TY - JOUR AU - A. V. Ustinov TI - Three-dimensional continued fractions and Kloosterman sums JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2015 SP - 483 EP - 556 VL - 70 IS - 3 UR - http://geodesic.mathdoc.fr/item/RM_2015_70_3_a2/ LA - en ID - RM_2015_70_3_a2 ER -