%0 Journal Article %A Andrzej Borowiec %A Anna PachoĊ‚ %T $\kappa$-Deformations and Extended $\kappa$-Minkowski Spacetimes %J Symmetry, integrability and geometry: methods and applications %D 2014 %V 10 %U http://geodesic.mathdoc.fr/item/SIGMA_2014_10_a106/ %G en %F SIGMA_2014_10_a106