%0 Journal Article %A K. Nagai %T Asymptotics of unit root tests under sequential sampling via diffusion approximation %J Teoriâ veroâtnostej i ee primeneniâ %D 2010 %P 606 %V 55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2010_55_3_a18/ %G en %F TVP_2010_55_3_a18