@article{articlee2ff5038,
title   = {The Björling problem for timelike minimal surfaces in in R-1(4)},
author = {Dussan, Martha P and Franco Filho, Antonio de Padua and Magid, M},
year = {2017},
doi = {10.1007/s10231-016-0614-3},
journal   = {Annali di Matematica Pura ed Applicata}
}