C. Cattaneo, Sulla Conduzione Del Calore, Atti Sem. Mat. Fis. Univ. Modena, vol.3, pp.83-101, 1949.
DOI : 10.1007/978-3-642-11051-1_5

X. Fu, J. Yong, and X. Zhang, Controllability and observability of a heat equation with hyperbolic memory kernel, Journal of Differential Equations, vol.247, issue.8, pp.2395-2439, 2009.
DOI : 10.1016/j.jde.2009.07.026

S. Guerrero, O. Imanuvilov, and . Yu, Remarks on non controllability of the heat equation with memory, ESAIM: Control, Optimisation and Calculus of Variations, vol.19, issue.1, pp.288-300, 2013.
DOI : 10.1051/cocv/2012013

S. Ivanov and L. Pandolfi, Heat equation with memory: Lack of controllability to rest, Journal of Mathematical Analysis and Applications, vol.355, issue.1, pp.1-11, 2009.
DOI : 10.1016/j.jmaa.2009.01.008

V. Komornik, Exact controllability and stabilization. The multiplier method, RAM: Research in Applied Mathematics. Masson, 1994.

I. Lasiecka and R. Triggiani, Exact controllability of the wave equation with Neumann boundary control, Applied Mathematics & Optimization, vol.52, issue.1, pp.243-290, 1989.
DOI : 10.1007/BF01448201

J. Lions, Contrôlabilité Exacte, Perturbations et Stabilisation de Systèmes Distribués Tome 1. Contrôlabilité Exacte, with appendices by, Rech. Math. Appl, vol.8, 1988.

J. Lions, Contrôlabilité Exacte, Perturbations et Stabilisation de Systèmes Distribués . Tome 2. Perturbations, Rech. Math. Appl, vol.9, 1988.

P. Loreti and D. Sforza, Control problems for weakly coupled systems with memory, Journal of Differential Equations, vol.257, issue.6, pp.1879-1938, 2014.
DOI : 10.1016/j.jde.2014.05.016

URL : http://arxiv.org/pdf/1309.4600

P. Loreti and D. Sforza, Observability of $N$-dimensional integro-differential systems, Discrete and Continuous Dynamical Systems - Series S, vol.9, issue.3, pp.745-757, 2016.
DOI : 10.3934/dcdss.2016026

URL : http://www.aimsciences.org/journals/doIpChk.jsp?paperID=12474&mode=full

R. Triggiani, Exact boundary controllability on L2(??)??H???1(??) of the wave equation with Dirichlet boundary control acting on a portion of the boundary ??, and related problems, Appl. Math. Optim, vol.18, pp.241-277, 1988.
DOI : 10.1007/BFb0041997