1. Budak, B. M., Samarskij, A. A., Tichonov, A. N.: A collection of problems on mathematical physics. Oxford: Pergamon Press 1964.
2. Field, R. J., Körös, E., Noyes, R. M.: Oscillations in chemical systems. II. Thorough analysis of temporal oscillations in the bromate-cerium-malonic acid system. Journal of the Am. Chem. Soc. 94, 8649–8664 (1972).
3. Frank, Ph., v. Mises, R.: Die Differential-und Integralgleichungen der Mechanik und Physik, Vol. II, Reprint. New York: 1943.
4. Glansdorff, O., Prigogine, I.: Thermodynamic theory of structure, stability and fluctuations. London: Wiley 1971.
5. Goel, N. S., Maitra, S. C., Montroll, E. W.: On the Volterra and other models of interacting populations. New York: Academic Press 1971.