Hat tip Tyler Cowen, the link is here. It’s being published by Springer, and…it will be free for students in developing countries. Pfaff is a giant in the field, this is a worthy contribution.
Hat tip Tyler Cowen, the link is here. It’s being published by Springer, and…it will be free for students in developing countries. Pfaff is a giant in the field, this is a worthy contribution.