TY - JOUR AU - Rutwig Campoamor-Stursberg TI - Application of the Gel'fand Matrix Method to the Missing Label Problem in Classical Kinematical Lie Algebras JO - Symmetry, integrability and geometry: methods and applications PY - 2006 VL - 2 UR - http://geodesic.mathdoc.fr/item/SIGMA_2006_2_a27/ LA - en ID - SIGMA_2006_2_a27 ER -