• Non-commutative determinants in nonlinear control theory : preliminary ideasKotta, Ülle; Leibak, Alar; Halas, MiroslavICARCV 2008 : 10th International Conference on Control, Automation, Robotics & Vision : 17-20 December 2008, Hanoi, Vietnam2008 / p. 815-820 https://ieeexplore.ieee.org/document/4795622