@article{SIGMA_2014_10_a106,
     author = {Andrzej Borowiec and Anna Pacho{\l}},
     title = {$\kappa${-Deformations} and {Extended} $\kappa${-Minkowski} {Spacetimes}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2014},
     volume = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2014_10_a106/}
}