@inproceedings{inproceedingsa342911b,
title   = {Poincare maps for magnetic field lines in a tokamak with an ergodic limiter},
author = {Pereira, J M and Ullmann, K and Caldas, Iberê Luiz and Viana, R L},
year = {1995},
publisher = {Inpe},
booktitle   = {Encontro Brasileiro de Fisica dos Plasmas}
}