TY - BOOK AU - Freeman,Harry TI - Finite differences for actuarial students U1 - 515.62 PY - 1967/// CY - Cambridge [England] PB - Institute of Actuaries at the university press KW - Insurance -- Mathematics KW - Equations aux differences KW - Assurance-vie -- Mathematiques N1 - First ed. published as Mathematics for actuarial students, Part II ER -