%0 Journal Article %A S. V. Grigor'ev %T A solution of extrapolation and interpolation problems for a certain nonstationary process %J Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki %D 1967 %P 49-61 %V 127 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZKU_1967_127_3_a5/ %G ru %F UZKU_1967_127_3_a5