On the Evaluation of Certain Two-Dimensional Singular Integrals with Cauchy Kernels. C. Dagnino; A. Palamara Orsi — 1985 Numerische Mathematik
Product Integration of Piecewise Continuous Integrands Based on Cubic Spline Interpolation at Equally Spaced Nodes. C. Dagnino; A. Palamara Orsi Numerische Mathematik
On optimal nodal splines and their applications. Dagnino, C.; Demichelis, V.; Santi, Elisabetta — 2003 Rendiconti del Seminario Matematico