Evelyn Birge Vitz, The «Lais» of Marie de France. «Narrative grammar» and the literary text, Medieval narrative and modern narratology. Subjects and objects of desire, N.Y. Univ Studies in french culture and civilization, New York London, New York UP, 1989 : p. 149 - 175
CR MLR 86, 1991, 709-710/ Roger Pensom