He is fundamentally in agreement with Bouyer -- cf. Introduction to Christianity, p. 214ff.
Ratzinger on Love and Redemption
Pope Ratzinger's manifesto: "In this way the transformation of the world can begin to take place"
Cardinal Ratzinger v. Catholic Encyclopedia: Did humanity owe a debt?
CONSCIENCE AND TRUTH by Joseph Cardinal Ratzinger
Reading the Gospels with Benedict XVI
The Master Key: Pope Benedict XVI's Theology of Covenant
The Mystery at the Center of Our Faith | Hans Urs von Balthasar
Anselm's return: more thoughts on the doctrine of the atonement