P. J. Ortoleva. Nonequilibrium reaction-diffusion structures in rigid and visco-elastic media: Knots and unstable noninertial flows. Math. Modeling Numerical Analysis 23(3):507-517 (1989).
P. J. Ortoleva. Nonequilibrium reaction-diffusion structures in rigid and visco-elastic media: Knots and unstable noninertial flows. Math. Modeling Numerical Analysis 23(3):507-517 (1989).