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PT-Symmetric Waveguides and the Lack of Variational Techniques

  1. 1.
    Krejčiřík, David
    PT-Symmetric Waveguides and the Lack of Variational Techniques.
    Integral Equations and Operator Theory. Roč. 73, č. 1 (2012), s. 1-2. ISSN 0378-620X
    Impact factor: 0.713, year: 2012
    http://hdl.handle.net/11104/0214320