TY - BOOK AU - Hennart,J.P (ed) TI - Numerical analysis: proceedings of the 3rd IIMAS workshop held at Cocoyoc, Mexico, January 1981 T2 - Lecture notes in mathematics 909 SN - 354011193x U1 - 11.01+22 PY - 1982/// CY - Berllin PB - Springer ER -