MOHAPATRA, P. Linear Operator and Spontaneous Breaking in PT -Symmetry. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 14, n. 2, p. 5594–5597, 2018. DOI: 10.24297/jap.v14i2.7524. Disponível em: https://rajpub.com/index.php/jap/article/view/7524. Acesso em: 28 apr. 2024.