%0 Journal Article %A M. Bialy %A A. E. Mironov %T On fourth-degree polynomial integrals of the Birkhoff billiard %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2016 %P 34-40 %V 295 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2016_295_a1/ %G ru %F TM_2016_295_a1