@article{article57b7fe47,
title   = {Duality symmetry in the Schwarz-Sen model},
author = {Girotti, H O and Gomes, Marcelo Otávio Caminha and Rivelles, Victor de Oliveira and Silva, Adílson José da},
year = {1997},
doi = {10.1103/physrevd.56.6615},
journal   = {Physical Review D}
}