@article{article34470e94,
title   = {A theorem about energy and volume of vector fields with the “proportional volume property”},
author = {Brito, Fabiano G. and Gomes, André de Oliveira and Mesquita, Robson Martins de},
year = {2016},
doi = {10.1016/j.geomphys.2015.11.003},
journal   = {Journal of Geometry and Physics}
}