%0 Journal Article %A M. M. Roginskaya %T Asymptotical properties of harmonic and $M$-harmonic functions near the boundary of the unit sphere %J Zapiski Nauchnykh Seminarov POMI %D 2000 %P 309-316 %V 270 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2000_270_a14/ %G ru %F ZNSL_2000_270_a14