@article{JMAG_2002_9_3_a0,
     author = {Yu. Brudnyi and Inna Kozlov},
     title = {An algorithm of nonlinear approximation by piecewise polynomials},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {311--325},
     year = {2002},
     volume = {9},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2002_9_3_a0/}
}