@article{GDZPPN002329433,
title = {On the Geography of Surfaces. Simply Connected Minimal Surfaces with Positive Index.},
journal = {Mathematische Annalen},
volume = {277},
year = {1987},
pages = {141-164},
zbl = {0595.14027},
url = {http://dml.mathdoc.fr/item/GDZPPN002329433}
}
Chen, Zhijie. On the Geography of Surfaces. Simply Connected Minimal Surfaces with Positive Index.. Mathematische Annalen, Tome 277 (1987) pp. 141-164. http://gdmltest.u-ga.fr/item/GDZPPN002329433/