%0 Journal Article %A A. L. Vorob'ev %T Degeneracy condition for the optimal moment in the optimal stopping problem for a new functional of a symmetric random walk and its maximum %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2015 %P 3-13 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2015_4_a0/ %G ru %F VMUMM_2015_4_a0