Modified Gauss-Legendre, Lobatto and Radau cubature formulas for the numerical evaluation of 2-D singular integrals. Theocaris, P.S. — 1983 International Journal of Mathematics and Mathematical Sciences
A numerical method for the solution of plane crack problems in finite media. Theocaris, P.S.; Ioakimidis, N. — 1980 International Journal of Mathematics and Mathematical Sciences