%0 Journal Article %A A. B. Bogatyrev %T PS$_3$ integral equations and projective structures on Riemann surfaces %J Sbornik. Mathematics %D 2001 %P 479-514 %V 192 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2001_192_4_a0/ %G en %F SM_2001_192_4_a0