@article{EJDE_2011__2011__a70,
     author = {Brooks,  Robert and Schmitt,  Klaus and Warner,  Brandon},
     title = {Fixed set theorems for discrete dynamics and nonlinear boundary-value problems},
     journal = {Electronic journal of differential equations},
     year = {2011},
     volume = {2011},
     zbl = {1246.37033},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a70/}
}