@article{UZERU_2014_2_a0,
     author = {G. A. Karagulyan and K. R. Muradyan},
     title = {On the divergence of {Walsh} and {Haar} series by sectorial and triangular regions},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {3--12},
     publisher = {mathdoc},
     number = {2},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2014_2_a0/}
}