@article{05275437,
title = {Normal forms for conical intersections in quantum chemistry.},
journal = {Mathematical Physics Electronic Journal [electronic only]},
volume = {13},
year = {2007},
zbl = {1138.81383},
language = {en},
url = {http://dml.mathdoc.fr/item/05275437}
}
Fermanian Kammerer, Clotilde. Normal forms for conical intersections in quantum chemistry.. Mathematical Physics Electronic Journal [electronic only], Tome 13 (2007) . http://gdmltest.u-ga.fr/item/05275437/