@article{GDZPPN002214709,
title = {On Grothendieck's pairing of component groups in the semistable reduction case.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {485},
year = {1997},
pages = {205-215},
zbl = {0872.14037},
url = {http://dml.mathdoc.fr/item/GDZPPN002214709}
}
Werner, Annette. On Grothendieck's pairing of component groups in the semistable reduction case.. Journal für die reine und angewandte Mathematik, Tome 485 (1997) pp. 205-215. http://gdmltest.u-ga.fr/item/GDZPPN002214709/