1. Mathematical economics;Allen,1965
2. Dynamic economic systems. A post-Keynesian approach;Blatt,1983
3. Hicksian nonlinearity;Brock;International Economic Association International Conference Value and Capital Fifty Years Later Bologna, Italy, 3–5 September,1988
4. Ergodic theory of chaos and strange attractors;Eckmann;Reviews of Modern Physics,1985
5. The nonlinear accelerator and the persistence of business cycles;Goodwin;Econometrica,1951