@inproceedings{inproceedingsffde50be,
title   = {Hyperelastic solids with internal constraints},
author = {Achcar, Nelson and Exel Filho, Ruy},
year = {1996},
publisher = {Laboratorio Nacional de Computacao Cientifica/Cnpq},
booktitle   = {Symposium Dedicated To the 70th Birthday of Wolf Altman}
}