@article {esquivel2021multi,
	title = {The Multi-Compartment SI (RD) Model with Regime Switching: An Application to COVID-19 Pandemic},
	journal = {Symmetry},
	volume = {13},
	number = {12},
	year = {2021},
	note = {<p>n/a</p>
},
	pages = {2427},
	publisher = {MDPI},
	abstract = {<p>n/a</p>
},
	author = {Manuel L. Esqu{\'\i}vel and Krasii, Nadezhda P and Gracinda R. Guerreiro and Paula Patr{\'\i}cio}
}
