LORENZO GARCÍA, E. Manifestations of the mythic double self in the poetic voices of Fernando Pessoa,, Antonio Machado and Juan Ramón Jiménez. Amaltea. Journal of Myth Criticism, v. 3, p. 23–46, 1 Oct.2011 https://doi.org/10.5209/rev_AMAL.2011.v3.37532.