@article{articlee88fabbd,
title   = {Theoretical study of a two-dimensional quantum system: electrons on a helium film},
author = {Freitas, U and Ioriatti Júnior, Lidério Citrângulo and Studart, N},
year = {1987},
doi = {10.1088/0022-3719/20/35/014},
journal   = {Journal of Physics C}
}