Integral equations Differential equations 13 Numerical solutions 12 Boundary value problems 3 Congresses 3 Nonlinear theories 3 Stability 3 Mathematical analysis 2 Mathematical physics 2 Mechanics, Applied 2 System analysis 2 Aerodynamics, Transonic 1 Almost periodic functions 1 Antenna arrays 1 Approximation theory 1 Asymptotic theory 1 Boundary element methods 1 Collocation methods 1 Compact operators 1 Continuum mechanics 1 Convolutions (Mathematics) 1 Creep 1 Difference equations 1 Differential equations, Nonlinear 1 Differential equations, Partial 1 Differential inequalities 1 Eigenvalues 1 Elastic solids 1 Elasticity 1 Electromagnetic theory 1