Belov, V. V.; Dobrokhotov, S. Yu.; Tudorovskiy, T. Ya. Operator separation of variables for adiabatic problems in quantum and wave mechanics. (English) Zbl 1110.81080 J. Eng. Math. 55, No. 1-4, 183-237 (2006). MSC: 81Q20 82D20 53D12 70H11 PDF BibTeX XML Cite \textit{V. V. Belov} et al., J. Eng. Math. 55, No. 1--4, 183--237 (2006; Zbl 1110.81080) Full Text: DOI arXiv OpenURL
Karasev, Mikhail; Vorobjev, Yuri Integral representations over isotropic submanifolds and equations of zero curvature. (English) Zbl 0926.53030 Adv. Math. 135, No. 2, 220-286 (1998). Reviewer: H.-B.Rademacher (Leipzig) MSC: 53D05 53C40 PDF BibTeX XML Cite \textit{M. Karasev} and \textit{Y. Vorobjev}, Adv. Math. 135, No. 2, 220--286 (1998; Zbl 0926.53030) Full Text: DOI OpenURL