%0 Journal Article %A S. M. Natanzon %T A theorem of Harnack type for a family of complexly isomorphic real algebraic curves %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1997 %P 1314-1315 %V 52 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1997_52_6_a18/ %G en %F RM_1997_52_6_a18