Nussinov, Zohar, and Ortiz, Gerardo. Theorem on extensive spectral degeneracy for systems with rigid higher symmetries in general dimensions. Physical Review B 107.4 Web. doi:10.1103/PhysRevB.107.045109.

Nussinov, Zohar, & Ortiz, Gerardo. Theorem on extensive spectral degeneracy for systems with rigid higher symmetries in general dimensions. Physical Review B, 107 (4). https://doi.org/10.1103/PhysRevB.107.045109

Nussinov, Zohar, and Ortiz, Gerardo. "Theorem on extensive spectral degeneracy for systems with rigid higher symmetries in general dimensions". Physical Review B 107 (4). Country unknown/Code not available: American Physical Society. https://doi.org/10.1103/PhysRevB.107.045109. https://par.nsf.gov/biblio/10390451.

@article{osti_10390451,
place = {Country unknown/Code not available}, title = {Theorem on extensive spectral degeneracy for systems with rigid higher symmetries in general dimensions}, url = {https://par.nsf.gov/biblio/10390451}, DOI = {10.1103/PhysRevB.107.045109}, abstractNote = {Not Available}, journal = {Physical Review B}, volume = {107}, number = {4}, publisher = {American Physical Society}, author = {Nussinov, Zohar and Ortiz, Gerardo}, }