BibTex format
@article{Gregory:2017:10.1137/16M1102021,
author = {Gregory, ACA and Cotter, CJ},
doi = {10.1137/16M1102021},
journal = {SIAM Journal on Scientific Computing},
pages = {A2684--A2701},
title = {A seamless multilevel ensemble transform particle filter},
url = {http://dx.doi.org/10.1137/16M1102021},
volume = {39},
year = {2017}
}