@article{article3e509475,
title   = {Landau levels in two and three-dimensional electron gases in a wide parabolic quantum well},
author = {Sergio, C S and Gusev, G M and Leite, J. R. and Olshanetskii, E B and Bykov, A A and Moshegov, N T and Bakarov, A K and Toropov, A I and Maude, D K and Estibals, O and Portal, J C},
year = {2002},
doi = {10.1590/s0103-97332002000200027},
journal   = {Brazilian Journal of Physics}
}