@article{UZERU_2012_1_a10,
     author = {G. S. Avagyan and L. R. Rafaelyan},
     title = {Approximation by poised sets of nodes},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {60--62},
     publisher = {mathdoc},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2012_1_a10/}
}