TY - BOOK AU - Ostaszewski,Krzysztof TI - An investigation into possible applications of fuzzy set methods in actuarial science SN - 0938959271 PY - 1993/// CY - Schaumburg, Ill. PB - Society of Actuaries KW - Insurance KW - Mathematics KW - Fuzzy sets N1 - Includes bibliographical references (p. 71-80) and index ER -