MAP20140000609 Gajek, Leslaw A New immunization inequality for random streams of assets, liabilities and interest rates / Leslaw Gajek, Elzbieta Krajewska En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 04/11/2013 Volumen 53 Número 3 - noviembre 2013 I. Title.
