@article{ELA_2009__18__a48,
     author = {Kalogeropoulos, Grigoris I. and Karageorgos, Athanasios D. and Pantelous, Athanasios A.},
     title = {An angle metric through the notion of {Grassmann} representative},
     journal = {The electronic journal of linear algebra},
     pages = {108--116},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a48/}
}