@article{EJDE_2005__2005__a202,
     author = {Ivanov,  Vladimir V. and Volokitin,  Evgenii P.},
     title = {Uniformly isochronous polynomial centers},
     journal = {Electronic journal of differential equations},
     year = {2005},
     volume = {2005},
     zbl = {1094.34019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a202/}
}