TY - JOUR AU - D. A. Popov TI - Circle problem and the spectrum of the Laplace operator on closed 2-manifolds JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2019 SP - 909 EP - 925 VL - 74 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2019_74_5_a2/ LA - en ID - RM_2019_74_5_a2 ER -