Pdf  bibtex   

@InProceedings{Mueetal-nips2015,
author = {J. Mueller and T. Jaakkola},
title = {Principal Differences Analysis: Interpretable Characterization of Differences between Distributions},
booktitle = {Advances in Neural Information Processing Systems (NIPS)},
year = {2015},
url_pdf = {https://people.csail.mit.edu/tommi/papers/Mueller_etal_nips2015.pdf},
}