%0 Journal Article %A ARSENIY AKOPYAN %A SERGEY AVVAKUMOV %T ANY CYCLIC QUADRILATERAL CAN BE INSCRIBED IN ANY CLOSED CONVEX SMOOTH CURVE %J Forum of Mathematics, Sigma %D 2018 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1017/fms.2018.7/ %R 10.1017/fms.2018.7 %G en %F 10_1017_fms_2018_7