%0 Journal Article %A A. P. Kombarov %T Weak normality of~$2^{X}$ and of~$X^{\tau}$ %J Fundamentalʹnaâ i prikladnaâ matematika %D 1998 %P 135-140 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1998_4_1_a10/ %G ru %F FPM_1998_4_1_a10