1. Set of new variable-structure pneumatic controllers: Abstracts of XIII All-Union conference on pneumoautomation held in Donetzk;Abdulayev,1978
2. Variable structure model reference adaptive control systems;Ambrosino;Int. J. Cont,1984
3. Uber stuckweise lineare Differential gleichungen bei Regelungsproblem auftreten, I, II;Andre;Arch. der Math,1956
4. Theory of Oscillations;Andronov,1959
5. Robot analysis and control;Asada,1986