%0 Journal Article %A O. N. Biryukov %T A bound for the topological entropy of homeomorphisms of a~punctured two-dimensional disk %J Fundamentalʹnaâ i prikladnaâ matematika %D 2005 %P 47-55 %V 11 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2005_11_5_a3/ %G ru %F FPM_2005_11_5_a3