C. De-la-vega, Necessary Conditions for Optimal Terminal Time Control Problems Governed by a Volterra Integral Equation, Journal of Optimization Theory and Applications, vol.16, issue.1, pp.79-93, 2006.
DOI : 10.1007/s10957-006-9087-7

J. F. Bonnans, L. De, and C. Vega, Optimal control of state constrained integral equations . Set-Valued Var, Anal, vol.1834, pp.307-326, 2010.
URL : https://hal.archives-ouvertes.fr/inria-00473952

J. F. Bonnans, X. Dupuis, L. De, and C. Vega, First- and Second-Order Optimality Conditions for Optimal Control Problems of State Constrained Integral Equations, Journal of Optimization Theory and Applications, vol.1, issue.2, pp.1-40, 2013.
DOI : 10.2140/pjm.1951.1.525
URL : https://hal.archives-ouvertes.fr/hal-00697504

D. Filatova, M. Grzywaczewski, and N. Osmolovskii, Optimal control problem with an integral equation as the control object, Nonlinear Analysis: Theory, Methods & Applications, vol.72, issue.3-4, pp.1235-1246, 2010.
DOI : 10.1016/j.na.2009.08.008

A. A. Milyutin, A. V. Dmitruk, and N. P. Osmolovskii, Maximum principle in optimal control, 2004.

A. V. Dmitruk and N. P. Osmolovskii, Necessary Conditions for a Weak Minimum in Optimal Control Problems with Integral Equations Subject to State and Mixed Constraints, SIAM Journal on Control and Optimization, vol.52, issue.6, pp.3437-3462, 2014.
DOI : 10.1137/130921465

A. V. Dmitruk and N. P. Osmolovskii, Necessary conditions for a weak minimum in optimal control problems with integral equations on a variable time interval. Discrete and Continuous Dynamical Systems, ser, pp.4323-4343, 2015.