Cut locus in sub-Riemannian problem on the Engel group A. A. Ardentov, Yu. L. Sachkov International Conference "Mathematical Theory of Optimal Control"
dedicated to the 90th birthday of Academician R. V. Gamkrelidze June 1, 2017 15:00
Sub-Riemannian problem on the Engel group A. A. Ardentov, Yu. L. Sachkov International Conference on Differential Equations and Dynamical Systems July 7, 2014 16:10