@article{IM2_2004_68_3_a2,
     author = {A. Boivin and P. M. Gauthier and P. V. Paramonov},
     title = {On uniform approximation by $n$-analytic functions on closed sets in~$\mathbb C$},
     journal = {Izvestiya. Mathematics },
     pages = {447--459},
     publisher = {mathdoc},
     volume = {68},
     number = {3},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2004_68_3_a2/}
}