@article{RSM_2006__64_1_55920,
     author = {Wyrwas, M.},
     title = {Analytic control systems and their properties related to observers.},
     journal = {Rendiconti del seminario matematico},
     pages = {111--119},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {2006},
     zbl = {1170.93313},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2006__64_1_55920/}
}