Geodesic
Nonlocal evolution equations associated with the Zakharov–Shabat spectral problem
Teoretičeskaâ i matematičeskaâ fizika, Tome 72 (1987) no. 2, pp. 313-317 
B. A. Magadeev. Nonlocal evolution equations associated with the Zakharov–Shabat spectral problem. Teoretičeskaâ i matematičeskaâ fizika, Tome 72 (1987) no. 2, pp. 313-317. http://geodesic.mathdoc.fr/item/TMF_1987_72_2_a14/
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     author = {B. A. Magadeev},
     title = {Nonlocal evolution equations associated with the {Zakharov{\textendash}Shabat} spectral problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     volume = {72},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_72_2_a14/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Evolution equations with a pseudodifferential operator associated with the Zakharov–Shabat spectral problem are investigated. Correspondence between their symmetries and the symmetiies of Schrödinger-type equations is established. This correspondence is used to construct the soliton solutions.

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