1. P. Schaller and T. Strobl, Mod. Phys. Letts. A9 (1994) 3129, and Quantization of Field Theories Generalizing Gravity-Yang-Mills Systems on the Cylinder, In: LNP 436, p. 98, Integrable Models and Strings, eds. A.Alekseev et al, Springer 1994 or gr-qc/9406027.
2. A.Y.Alekseev, P.Schaller and T.Strobl, The Topological G/G WZW Model in the Generalized Momentum Representation, hep-th/9505012.
3. P.Schaller and T.Strobl, Poisson σ-models: A generalization of Gravity-Yang-Mills Systems in Two Dimensions, to appear in Proc. of ‘Conference on Integrable Systems', Dubna 1994 or hep-th/9411163.
4. For more details confer, e.g., Y. Choquet-Bruhat, C. DeWitt-Morette, Analysis, Manifolds and Physics, Part II: 92 Applications, North-Holland Physics 1989.
5. W. Thirring, Lehrbuch der Mathematischen Physik, Band 1, Springer Wien New York 1979. R. Abraham and J.E. Marsden, Foundations of Mechanics, Benjamin, New York (2nd Edition) 1981.