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Complex structures and zero-curvature equations for $\sigma$-models

Dmitri Bykov<sup>ab

a</sup> Steklov Mathematical Institute of Russ. Acad. Sci., Gubkina str. 8, 119991 Moscow, Russia
^b Max-Planck-Institut fur Gravitationsphysik, Albert-Einstein-Institut, Am Muhlenberg 1, D-14476 Potsdam-Golm, Germany

Received: 09.05.2016
Accepted: 28.06.2016

Language: English

DOI: 10.1016/j.physletb.2016.06.071

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