@article{article979df0ce,
title   = {Free fields in Malcev-Neumann series rings},
author = {Ferreira, Vitor de Oliveira and Fornaroli, Erica Z and Sánchez, Javier},
year = {2013},
doi = {10.1080/00927872.2011.638354},
journal   = {Communications in Algebra}
}