@article{article885ad5fa,
title   = {Global analysis of a piecewise smooth epidemiological model of COVID-19},
author = {Carvalho, Tiago de and Cristiano, Rony and Rodrigues, Diego S. and Tonon, Durval J.},
year = {2021},
doi = {10.1007/s11071-021-06801-9},
journal   = {Nonlinear Dynamics}
}