Partial Differential and Integral Equations

Preface. 1. Gauss-Manin Connexion of Curve Singularities; A.G. Alexandrov. 2. Group Covolution Operators on Step of Two Nilpotent Lie Groups; N.I. Vasilevski. 3. Some Boundary Value Problems for Second Order Overdetermined Elliptic Systems in the Unit Ball of Cn; A. Dzhuraev. 4. Riemann-Hilbert Boundary Value Problems in Cn; H. Begehr. 5. The Riemann-Hilbert Problem for Nonlinear Elliptic Complex Equations of First Order in Multiply Connected Infinite Domains; G.-C. Wen. 6. The Riemann-Hilbert Problem for First Order Complex Equations of Mixed Type; G.-C. Wen. 7. On Totally Real Non-Compact Manifolds Globally Foliated by Analytic Discs; E. Wegert, et al. 8. Boundary Behaviour of Vector-Valued Functions of Two Classes in Locally Convex Spaces; C.-G. Hu, Y.-H. Wang. 9. On Singular Integrals of the Time-Harmonic Maxwell Equations Theory; R. Rocha-Chávez, M. Shapiro. 10. Systems of First Order Partial Differential Equations - a Hypercomplex Approach; H. Begeher. 11. To Elliptic Theory for Domains with Piecewise Smooth Boundary in the Plane; A.P. Soldatov. 12. Boundary Value Problems for a System of First Order Equations of a Principal Type in the Plane; N. Zhura. 13. The Stability of the Riemann Boundary Value Problem for Vector-Valued M-Analytic Functions; C.-G. Hu, D.-P. Zhang. 14. A Class of Inverse Hilbert Boundary Value Problems; S.Q. Liu. 15. Cauchy Formula, Integral of Cauchy Type and Hilbert Problem for Bianalytic Functions; Z. Zhen. 16. On Uniqueness Conditions forEntire Polyharmonic Functions; M.B. Balk, M.Ya. Mazalov. 17. Bi-Analytic Functions and Their Applications in Elasticity; W. Lin, Y. Zhao. 18. Effect of Periodic Gasket on a Periodic Contact Problem; X. Li. 19. Singular Integral Operators and Singular Quadrature Operators for Singular Integral Equations with Hilbert Kernel; J. Du. 20. Some Co-Circular Crack Problems with Cyclic Symmetry; J. Lu. 21. The Oblique Derivative Problem for Nonlinear Parabolic Equations of Second Order with Measurable