Artykuł: Time-optimal control problem for a special class of control systems : optimal controls and approximation in the sense of time optimality / Grigory M. Sklyar, Svetlana Yu. Ignatovich, Sergey E. Shugaryov. // Journal of Optimization Theory and Applications. 2015, vol. 165 iss. 1, s.62-77 DOI: 10.1007/s10957-014-0607-6 (WorkId 11496)