%0 Journal Article %A E. A. Avksentyev %T A~universal measure for a~pencil of conics and the Great Poncelet Theorem %J Sbornik. Mathematics %D 2014 %P 613-632 %V 205 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2014_205_5_a0/ %G en %F SM_2014_205_5_a0