%0 Journal Article %A A. Yu. Solynin %T Some extremal problems for circular polygons %J Zapiski Nauchnykh Seminarov POMI %D 1993 %P 127-136 %V 206 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1993_206_a10/ %G ru %F ZNSL_1993_206_a10