G. Hostetter and J. S. Meditch, Observing systems with unmeasurable inputs, IEEE Trans

S. H. Wang, E. J. Davison, and P. Dorato, Observing the states of systems with unmeasurable disturbances, IEEE Transactions on Automatic Control, vol.20, issue.5, pp.716-717, 1975.
DOI : 10.1109/TAC.1975.1101076

P. Kudva, N. Viswanadham, and A. Ramakrishna, Observers for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.25, issue.1, pp.113-115, 1980.
DOI : 10.1109/TAC.1980.1102245

S. P. Bhattacharyya, Observer design for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.23, issue.3
DOI : 10.1109/TAC.1978.1101758

R. J. Miller and R. Mukundan, On designing reduced-order observers for linear time-invariant systems subject to unknown inputs, International Journal of Control, vol.35, issue.1, pp.183-188, 1982.
DOI : 10.1109/TAC.1975.1100968

N. Kobayashi and T. Nakamizo, An observer design for linear systems with unknown inputs, International Journal of Control, vol.21, issue.4, pp.605-619, 1982.
DOI : 10.1109/TAC.1975.1101076

F. W. Fairman, S. S. Mahil, and L. Luk, Disturbance decoupled observer design via singular value decomposition, IEEE Transactions on Automatic Control, vol.29, issue.1, pp.29-84, 1984.
DOI : 10.1109/TAC.1984.1103370

M. Hou and P. C. Müller, Design of observers for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.37, issue.6, pp.37-871, 1992.
DOI : 10.1109/9.256351

F. Yang and R. W. Wilde, Observers for linear systems with unknown inputs, IEEE Transactions on Automatic Control, vol.33, issue.7
DOI : 10.1109/9.1278

J. O. Reilly, Observers for linear systems with unknown inputs, 1983.

J. Kurek, Observation of the state vector of linear multivariable systems with unknown inputs, International Journal of Control, vol.22, issue.3
DOI : 10.1080/00207178208932911