MAP20140000623 He, Lin Optimal investment strategy for the DC plan with the return of premiums clauses in a mean-variance framework / Lin He, Zongxia Liang En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 04/11/2013 Volumen 53 Número 3 - noviembre 2013 I. Title.