1. Dagnino, C., Demichelis, V., Santi, E., Numerical Integration Based on Quasi-Interpolating Splines. Computing 50, 149–163 (1993).
2. Dagnino, C., Demichelis, V., Santi, E., An Algorithm for Numerical Integration Based on Quasi-Interpolating Splines. Numerical Algorithms 5, 443–452 (1993).
3. Dagnino, C., Demichelis, V., Santi, E., Local Spline Approximation Methods for Singular Product Integration (1994) (To appear on J. App. Theory and its Applications).
4. Applied Mathematical Sciences;C De Boor,1978
5. Guggiani, M., Gigante, A., A General Algorithm for Multidimensional Cauchy Principal Value Integrals in the Boundary Element Method. ASME Journal of Applied Mechanics 57, 907–915 (1990).