A class of mechanical systems with some coordinates as controls. A reduction of certain optimization problems for them. Solution methods. (English) Zbl 0816.70019
Atti Accad. Naz. Lincei, Cl. Sci. Fis. Mat. Nat., IX. Ser., Mem. Lincee, Mat. Appl. 2, No. 1, 5-30 (1993).
Reviewer: Z.Dżygadło (Warszawa)