@article{article74f00704,
title   = {Existence of secondary bifurcations or isolas for PDEs},
author = {Gameiro, Márcio Fuzeto and Lessard, Jean-Philippe},
year = {2011},
doi = {10.1016/j.na.2011.03.046},
journal   = {Nonlinear Analysis: Theory, Methods and Applications}
}