TY - BOOK AU - Greenspan, Donald TI - INTRODUCTORY NUMERICAL ANALYSIS OF ELLIPTIC BOUNDARY VALUE PROBLEMS U1 - 517.6 PY - 1965/// CY - N. Y. PB - Harper & Row KW - Differential Equations, Elliptic. Numerical Solutions KW - Boundary Value Problems. Numerical Solutions N1 - Errata Slip Inserted ER -