%0 Journal Article %A S. L. Berberyan %T Some applications of $P'$-sequences in studying boundary properties of arbitrary harmonic functions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2011 %P 3-9 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2011_9_a0/ %G ru %F IVM_2011_9_a0