%0 Journal Article %A B. E. Levitsii %T Reduced $p$-modulus and the interior $p$-harmonic radius %J Doklady Akademii Nauk %D 1991 %P 812-815 %V 316 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_316_4_a9/ %G ru %F DAN_1991_316_4_a9