@article{JEMS_2016_18_9_a6,
     author = {Spyros Alexakis and Arick Shao},
     title = {Bounds on the {Bondi} energy by a flux of curvature},
     journal = {Journal of the European Mathematical Society},
     pages = {2045--2106},
     publisher = {mathdoc},
     volume = {18},
     number = {9},
     year = {2016},
     doi = {10.4171/jems/638},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/638/}
}