@article{Heidarkhani_Henderson_2016, title={Critical point approaches to quasilinear second order differential equations depending on a parameter}, volume={44}, url={https://apcz.umk.pl/TMNA/article/view/TMNA.2014.042}, abstractNote={In this paper, we make application of some three-critical points results to establish the existence of at least three solutions for a boundary value problem for the quasilinear second order differential equation on a compact interval $[a,b]\subset\mathbb{R}$, $$ \cases -uā€™ā€™=(\lambda f(x,u)+g(x,u))h(x,uā€™) &\text{\rm in } (a,b),\\ u(a)=u(b)=0, \endcases $$ under appropriate hypotheses. We exhibit the existence of at least three (weak) solutions.}, number={1}, journal={Topological Methods in Nonlinear Analysis}, author={Heidarkhani, Shapour and Henderson, Johnny}, year={2016}, month={Apr.}, pages={177ā€“197} }