@article{KYB_2009_45_3_a4,
     author = {Reh\'ak, Branislav and \v{C}elikovsk\'y, Sergej and Ruiz-Le\'on, Javier and Orozco-Mora, Jorge},
     title = {A comparison of two {FEM-based} methods for the solution of the nonlinear output regulation problem},
     journal = {Kybernetika},
     pages = {427--444},
     year = {2009},
     volume = {45},
     number = {3},
     mrnumber = {2543132},
     zbl = {1165.93320},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2009_45_3_a4/}
}