%0 Journal Article %A V. R. Krasheninnikov %T Mathematical expectation of the time of an axially symmetric random walk of a particle in a $k$-dimensional grid domain %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 1968 %P 76-82 %V 128 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_1968_128_2_a6/ %G ru %F UZKU_1968_128_2_a6