MAP20080025113 Bai, Lihua Optimal proportional reinsurance and investment with multiple risky assets and no-shorting constraint / Lihua Bai, Junyi Guo En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 27/06/2008 Tomo 42 Número 3 - 2008 I. Guo, Junyi . II. Título.