Schuch, DieterRamek, MichaelCampoamor Stursberg, Otto-Rudwig2023-06-172023-06-1720201742-658810.1088/1742-6596/1612/1/011001https://hdl.handle.net/20.500.14352/7329Proceedings of the International Symposium Symmetries in Science XVIII (1 ed., Vol. 1612)engAtribución 3.0 Españahttps://creativecommons.org/licenses/by/3.0/es/journal articlehttps://doi.org/10.1088/1742-6596/1612/1/011001open access512Álgebra1201 Álgebra