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Rajagopal, Karthikeyan, Navid Hasanzadeh, Fatemeh Parastesh, Ibrahim Ismael Hamarash, Sajad Jafari, und Iqtadar Hussain. "A Fractional-order Model for the Novel Coronavirus (COVID-19) Outbreak." Nonlinear Dyn 2020.

Rajagopal, Karthikeyan, et al. "A Fractional-order Model for the Novel Coronavirus (COVID-19) Outbreak." Nonlinear Dyn 2020.