@article{EUG_1990__24_a2,
     author = {Christos Giannakopoulos and  Nicos Karcanias and  Grigoris Kalogeropoulos},
     title = {The {Grassmann} {Variety} of {Nondynamic} {Compensators} the {Determinantal} {Assignment} {Problem} of {Linear} {Systems}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {33-58},
     publisher = {mathdoc},
     volume = {24},
     year = {1990},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1990__24_a2/}
}