Geodesic
Quantization of solitons
Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 2, pp. 147-163

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The quantization of particle-like solutions is considered on the example of the Sine–Gordon equation. Quasi-classical approximation is shown to be good when the coupling constant is small. Quantum corrections are calculated with the aid of the functional integral. 
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     author = {V. E. Korepin and L. D. Faddeev},
     title = {Quantization of solitons},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {147--163},
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     volume = {25},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_25_2_a0/}
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V. E. Korepin; L. D. Faddeev. Quantization of solitons. Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 2, pp. 147-163. http://geodesic.mathdoc.fr/item/TMF_1975_25_2_a0/