The Ego Ideal and the Ideal Self.

@article{Sandler1963TheEI,
  title={The Ego Ideal and the Ideal Self.},
  author={Jack Sandler and Alvin Holder and D R Meers},
  journal={The Psychoanalytic study of the child},
  year={1963},
  volume={18},
  pages={139-58}
}