@article{UFA_2013_5_1_a4,
     author = {K. A. Kirillov and M. V. Noskov},
     title = {A version of  discrete {Haar} transform with nodes of $\Pi_0$-grids},
     journal = {Ufa mathematical journal},
     pages = {56--62},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_1_a4/}
}