冯康对传统的椭圆方程归化为边界积分方程的理论作出了重要发展，提出了自然边界元方法，成为国际边界元方法的三大流派之一。 　　 

• 1. Differential Versus Integral Equations and Finite Versus Infinite Elements
• 2. Canonical Boundary Reduction and finite Element Method 
• 3. Canonical Integral Equations of Elliptic Boundary-Value Problems and Their Numerical Solutions 
• 4. Finite Element Method and Natural Boundary Reduction 
• 5. Asymptotic Radiation Conditions For Reduced Wave Equation 
• 6. A Theorem For the Natural Integral Operator of Harmonic Equation 
• 7. Natural Boundary Reduction and Domain Decomposition