%0 Journal Article %A V. P. Burskii %A A. S. Zhedanov %T Boundary value problems for string equation, Poncelet problem, and Pell--Abel equation: links and relations %J Contemporary Mathematics. Fundamental Directions %D 2006 %P 5-9 %V 16 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2006_16_a0/ %G ru %F CMFD_2006_16_a0