1. Andronov, A.A., A.A. Vitt and S.E. Khaikin, 1966, Theory of Oscillators, pp. 374 ff.
2. Arrow, K.J., H.D. Block and L. Hurwicz, 1959, On the Stability of the Competitive Equilibrium, II.
3. Arrow, K.J. and F.H. Hahn, 1971, General Competitive Analysis, Chaps. 11, 12, 13.
4. Arrow, K.J. and L. Hurwicz, 1958, On the Stability of the Competitive Equilibrium, I.
5. Baumol, W.J. and R.E. Quandt, 1964, Rules of Thumb and Optimally Imperfect Decisions, Appendix A.