@article{articlecf08fc76,
title   = {Hyperspherical adiabatic approach for excitons bound to ionized donors in semiconductors},
author = {De Groote, J J and Santos, A S and Masili, Mauro and Hornos, José Eduardo Martinho},
year = {1998},
doi = {10.1103/physrevb.58.10383},
journal   = {Physical Review B}
}