TY - BOOK AU - Altman Mieczslaw TI - Contractors and contractor directions theory and applications T2 - Lecture notes in pure and applied mathematics; 32 U1 - B23:1, L7 PY - 1977/// CY - New York PB - Marcel Dekker KW - Numerical solution of equations KW - Equation theory N1 - Appendix 1-3, 242-277p ER -