@article{GDZPPN002057638,
title = {Convex Immersions of Closed Surfaces in E3.},
journal = {Commentarii mathematici Helvetici},
volume = {35},
year = {1961},
pages = {85-92},
zbl = {0243.53043},
url = {http://dml.mathdoc.fr/item/GDZPPN002057638}
}
Kuiper, Nicolaas H. Convex Immersions of Closed Surfaces in E3.. Commentarii mathematici Helvetici, Tome 35 (1961) pp. 85-92. http://gdmltest.u-ga.fr/item/GDZPPN002057638/