@article{UZERU_2013_3_a4,
     author = {A. I. Petrosyan and E. S. Mkrtchyan},
     title = {Duality in some spaces of functions harmonic in the unit ball},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {29--36},
     publisher = {mathdoc},
     number = {3},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2013_3_a4/}
}