@article{2012-J-JPA-SharmaMittal,
author={Frank Nielsen and Richard Nock},
title={A closed-form expression for the {S}harma-{M}ittal entropy of exponential families },
journal={Journal of Physics A: Mathematical and Theoretical },
volume={45},
number={3},
pages={032003},
doi={10.1088/1751-8113/45/3/032003},
year={2012}
}