@article{IJAMCS_2001_11_6_a3,
     author = {Jacob, B. and Zwart, H.},
     title = {Exact {Observability} of {Diagonal} {Systems} {With} a {One-Dimensional} {Output} {Operator}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {1277--1283},
     publisher = {mathdoc},
     volume = {11},
     number = {6},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2001_11_6_a3/}
}