@article{article010bdf93,
title   = {Projections of surfaces in 'R POT.4' to 'R POT.3' and the geometry of their singular images},
author = {Sinha, Raúl Oset and Tari, Farid},
year = {2015},
doi = {10.4171/RMI/825},
journal   = {Revista Matemática Iberoamericana}
}