no. 2
The inverse problem at fixed energy for finite range complex potentials
Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 29 (1978) no. 2, pp. 179-205. 
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     title = {The inverse problem at fixed energy for finite range complex potentials},
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     pages = {179--205},
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     volume = {29},
     number = {2},
     year = {1978},
     mrnumber = {513689},
     zbl = {0395.34024},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1978__29_2_179_0/}
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Sergent, Pierre; Coudray, Christiane. The inverse problem at fixed energy for finite range complex potentials. Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Tome 29 (1978) no. 2, pp. 179-205. http://www.numdam.org/item/AIHPA_1978__29_2_179_0/

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