@article{AA_2004_16_1_a5,
     author = {Yu. A. Brudnyi},
     title = {Nonlinear $N$-term approximation by refinable functions},
     journal = {Algebra i analiz},
     pages = {163--206},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2004_16_1_a5/}
}