@article{GDZPPN002444453,
title = {First Pontrjagin form, rigidity and strong rigidity of nonpositively curved K\"ahler surface of general type.},
journal = {Mathematische Zeitschrift},
volume = {220},
year = {1995},
pages = {159-170},
zbl = {0851.53042},
url = {http://dml.mathdoc.fr/item/GDZPPN002444453}
}
Zheng, Fangyang. First Pontrjagin form, rigidity and strong rigidity of nonpositively curved Kähler surface of general type.. Mathematische Zeitschrift, Tome 220 (1995) pp. 159-170. http://gdmltest.u-ga.fr/item/GDZPPN002444453/