@article{10_1017_S001708951300013X,
     author = {MARTINS, LUCIANA F. and NABARRO, ANA CLAUDIA},
     title = {PROJECTIONS {OF} {HYPERSURFACES} {IN} {R4} {WITH} {BOUNDARY} {TO} {PLANES}},
     journal = {Glasgow mathematical journal},
     pages = {149--167},
     year = {2014},
     volume = {56},
     number = {1},
     doi = {10.1017/S001708951300013X},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S001708951300013X/}
}