@article{Abdalla2000DualityBC,
title={Duality between coordinates and Dirac field},
author={M. Abdalla and A. L. Gadelha and I. Vancea},
journal={Physics Letters B},
year={2000},
volume={484},
pages={362-366}
}

Abstract The duality between the Cartesian coordinates on the Minkowski space-time and the Dirac field is investigated. Two distinct possibilities to define this duality are shown to exist. In both cases, the equations satisfied by prepotentials are of second order.