BibTex format
@article{Markkanen:2018:10.1103/PhysRevD.98.123532,
author = {Markkanen, T and Rajantie, A and Tenkanen, T},
doi = {10.1103/PhysRevD.98.123532},
journal = {Physical Review D: Particles, Fields, Gravitation and Cosmology},
pages = {1--9},
title = {Spectator dark matter},
url = {http://dx.doi.org/10.1103/PhysRevD.98.123532},
volume = {98},
year = {2018}
}