%0 Journal Article %A B. P. Kufarev %T The absolute continuity of functions of class $\tilde{W}_p^1$ on the level sets of a function of class $\tilde{W}_q^1$, %J Doklady Akademii Nauk %D 1968 %P 282-285 %V 181 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_181_2_a5/ %G ru %F DAN_1968_181_2_a5