@article{article7ae67c7d,
title   = {The Euler obstruction and the Chern obstruction},
author = {Brasselet, J. P. and Grulha Júnior, Nivaldo de Góes and Ruas, Maria Aparecida Soares},
year = {2010},
doi = {10.112/blms/bdq063},
journal   = {Bulletin of the London Mathematical Society}
}