TY - JOUR T1 - The geometry of Maximum Principle JF - Proceedings of the Steklov Institute of mathematics. vol. 273 (2011), page: 5-27 ; ISSN: 0081-5438 Y1 - 2011 A1 - Andrei A. Agrachev A1 - Revaz Gamkrelidze AB - An invariant formulation of the maximum principle in optimal control is presented, and some second-order invariants are discussed. UR - http://hdl.handle.net/1963/6456 U1 - 6401 U2 - Mathematics U4 - 1 U5 - MAT/05 ANALISI MATEMATICA ER -