@InProceedings GSARA07,
author = "Giraud, Fr\'ed\'eric and Semail, Betty and Aragones, Julien and Robineau, Jacques and Audren, Jean-Thierry",
title = "Stability Analysis of an Ultrasonic Motor for a new wave amplitude control",
booktitle = "IAS 42 Annual Meeting, New Orleans",
month = "sep",
year = "2007",
}