1. Optimal control in a non-linear mechanical system with a variable inertial characteristic;Banichuk,1976
2. Time-optimization of a penumatic manipulator by selecting the instants of switching the drives;Vorob'yev;Mashinovedeniye,1978
3. Time-optimal motions of robots in assembly tasks;Geering;IEEE trans. Automat. Control,1986
4. Modes with switchings of increased frequency in the robot control problem;Borisov;PMM,1989
5. Mathematical theory of optimal processes;Pontryagin,1969