Ao , WeiweiChan , HardyDelaTorre , AzaharaFontelos , Marco A.Mar González , María del and Wei , Juncheng. (2020). ODE Methods in Non-Local Equations.
            <i>Journal of Mathematical Study</i>. <i>53</i> (4).
            370-401.
         doi:10.4208/jms.v53n4.20.01