Globally stable adaptive formation control of Euler-Lagrange agents via potential functions. - Ademir Rodrigues Pereira; Liu Hsu; Romeo Ortega (ACC, 2009)

Adaptive formation control of dynamic nonholonomic systems using potential functions. - Josiel A. Gouvea; Ademir Rodrigues Pereira; Liu Hsu; Fernando C. Lizarralde (ACC, 2010)