%0 Journal Article %A A. V. Alekseevskii %A S. M. Natanzon %T Algebra of Hurwitz numbers for seamed surfaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2006 %P 767-769 %V 61 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2006_61_4_a5/ %G en %F RM_2006_61_4_a5