%0 Journal Article %A Ya. I. Belopolskaya %A M. M. Romadanova %T Probabilistic approach to a~free boundary problem and American option procing %J Zapiski Nauchnykh Seminarov POMI %D 2010 %P 40-77 %V 384 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2010_384_a3/ %G ru %F ZNSL_2010_384_a3