%0 Journal Article %A A. V. Kopaev %T On an integral transformation of functions that are harmonic in a half-space %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1997 %P 8-11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1997_1_a1/ %G ru %F IVM_1997_1_a1