TY - BOOK AU - Samarskii, Ajeksandr A AU - Nikolaev, Evgenii S TI - Numerical methods for grid equations.V1 SN - 3764322764 PY - 1989/// CY - Berlin PB - Birkhauser Verlag KW - Grid equations KW - Linear equrations N1 - V1 - Direct methods ER -