MathSciNet bibliographic data MR2821932 (2012k:81097) 81Q12 (81R12) Cavaglia, Andrea; Fring, Andreas; Bagchi, Bijan \$\scr{PT}\$$\scr{PT}$-symmetry breaking in complex nonlinear wave equations and their deformations. J. Phys. A 44 (2011), no. 32, 325201, 42 pp. Article

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