@article{PIM_2013_N_S_93_107_a8,
     author = {Ivana Jovovi\'c},
     title = {Total {Reduction} of {Linear} {Systems} of {Operator} {Equations} {With} the {System} {Matrix} in the {Companion} {Form}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {117 },
     publisher = {mathdoc},
     volume = {_N_S_93},
     number = {107},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_2013_N_S_93_107_a8/}
}