71PEOkvEVKL._AC_UF1000,。A Primer on the Calculus of Variations and Optimal Control。The Calculus of Variations (Universitext): van Brunt, Bruce。Calculus of Variations and Optimal Control Theory: A Concise Introduction画像のとおり、表紙に細かなシミがあります。。Functional Analysis, Calculus of Variations and Optimal。中は書き込みもなく、良い状態です。(32)