@article{IVM_2012_3_a8,
     author = {A. A. Shcheglova and P. S. Petrenko},
     title = {The $R$-observability and $R$-controllability of linear algebraic-differential systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {74--91},
     publisher = {mathdoc},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2012_3_a8/}
}