1. Foundations of mechanics;Abraham,1968
2. Note on the representation of finite continuous groups by means of linear substitutions;Ado;Izvestiya Fizika Matematicheskikh (Kazan),1935
3. The exponential representation of flows and the chronological calculus;Agrachev;Mathematics of the USSR-Sbornik,1978
4. On the regulator of the clock-work for effecting uniform movement of the equatoreals;Airy;Memoire Royal Astronomical Society,1840
5. Absolute stability of regulator systems;Aizerman,1963