Geodesic
Rational interpolation and solitons
Teoretičeskaâ i matematičeskaâ fizika, Tome 179 (2014) no. 3, pp. 303-316

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We consider the general construction scheme for second-order spectral problems, for which the semiclassical approximation is exact. We show that the inverse spectral problem in this case reduces to the classical interpolation problem for meromorphic functions.
Keywords: inverse spectral problem, semiclassical approximation, interpolation of meromorphic functions. 
@article{TMF_2014_179_3_a1,
     author = {A. B. Shabat},
     title = {Rational interpolation and solitons},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {303--316},
     publisher = {mathdoc},
     volume = {179},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_179_3_a1/}
}
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A. B. Shabat. Rational interpolation and solitons. Teoretičeskaâ i matematičeskaâ fizika, Tome 179 (2014) no. 3, pp. 303-316. http://geodesic.mathdoc.fr/item/TMF_2014_179_3_a1/