@article{IJAMCS_2005_15_3_a1,
     author = {Oprz\k{e}dkiewicz, K.},
     title = {An observability problem for a class of uncertain-parameter linear dynamic systems},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {331--338},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2005_15_3_a1/}
}