MAP20080025144 Zhou, Chunyang Optimal insurance under the insurers risk constraint / Chunyang Zhou, Chongfeng Wu En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 27/06/2008 Tomo 42 Número 3 - 2008 I. Wu, Chongfeng . II. Title.