@article{Mawhin_2013, title={Variations on some finite-dimensional fixed-point theorems}, volume={65}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/2417}, abstractNote={We give rather elementary topological proofs of some generalizations of fixed-point theorems in $\mathbb{R}^n$ due to Pireddu-Zanolin and Zgliczynski, which are useful in various questions related to ordinary differential equations.}, number={2}, journal={Ukrainsâ€™kyi Matematychnyi Zhurnal}, author={Mawhin, J.}, year={2013}, month={Feb.}, pages={266-272} }