题目：Optimal control problem with an integral equation as the control object
作者：Darya Filatovaa, b, , , Marek Grzywaczewskia, c,  and Nikolay Osmolovskiic, d, e,
来源：Nonlinear Analysis: Theory, Methods & Applications
Volume 72, Issues 3-4, 1 February 2010, Pages 1235-1246