@article{article36ee8754,
title   = {Asymptotic equations for resonant dynamics in position-dependent magnetic fields},
author = {De Luca, Jaime and Napolitano, Reginaldo de Jesus and Bagnato, Vanderlei Salvador},
year = {1997},
doi = {10.1016/s0375-9601(97)00381-2},
journal   = {Physics Letters A}
}