TY - JOUR AU - S. M. Natanzon TI - Formal series for the $\tau$-function realizing Riemann's theorem about domains in the complex plane JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2001 SP - 760 EP - 761 VL - 56 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2001_56_4_a13/ LA - en ID - RM_2001_56_4_a13 ER -