@article{article0098b9d7,
title   = {Structurally unstable quadratic vector fields of codimension two: families possessing a finite saddle-node and an infinite saddle-node},
author = {Artés, Joan Carles and Mota, Marcos Coutinho and Rezende, Alex Carlucci},
year = {2021},
doi = {10.14232/ejqtde.2021.1.35},
journal   = {Electronic Journal of Qualitative Theory of Differential Equations}
}