He found the existence of the infinitely many fixed points ( equilibrium points ) for the first two versions .
Duran studied the stability analysis of the solutions for the dynamical system of nonlinear AFDEs in R ^ 4 , in three versions , analytically and numerically .
Duran found the existence of the infinitely many fixed points ( equilibrium points ) for the first two versions .
Duran studied the stability analysis of the solutions for the dynamical system of nonlinear AFDEs in R ^ 4 , in three versions , analytically and numerically .