BibTex format
@unpublished{Popescu:2020,
author = {Popescu, S and Sharp, D and Cole, J and Glocker, B},
publisher = {arXiv},
title = {Hierarchical Gaussian processes with Wasserstein-2 kernels},
url = {http://arxiv.org/abs/2010.14877v1},
year = {2020}
}