Cheng, Nan, Shu, Chang, Zhang, Kai, Mao, Xiaoming, and Sun, Kai. Universal Spectral Moment Theorem and Its Applications in Non-Hermitian Systems. Physical Review Letters 133.21 Web. doi:10.1103/PhysRevLett.133.216401.

Cheng, Nan, Shu, Chang, Zhang, Kai, Mao, Xiaoming, & Sun, Kai. Universal Spectral Moment Theorem and Its Applications in Non-Hermitian Systems. Physical Review Letters, 133 (21). https://doi.org/10.1103/PhysRevLett.133.216401

Cheng, Nan, Shu, Chang, Zhang, Kai, Mao, Xiaoming, and Sun, Kai. "Universal Spectral Moment Theorem and Its Applications in Non-Hermitian Systems". Physical Review Letters 133 (21). Country unknown/Code not available: American Physical Society. https://doi.org/10.1103/PhysRevLett.133.216401. https://par.nsf.gov/biblio/10556364.

@article{osti_10556364,
place = {Country unknown/Code not available}, title = {Universal Spectral Moment Theorem and Its Applications in Non-Hermitian Systems}, url = {https://par.nsf.gov/biblio/10556364}, DOI = {10.1103/PhysRevLett.133.216401}, abstractNote = {Not Available}, journal = {Physical Review Letters}, volume = {133}, number = {21}, publisher = {American Physical Society}, author = {Cheng, Nan and Shu, Chang and Zhang, Kai and Mao, Xiaoming and Sun, Kai}, }