Andrew Gilpin Samid Hoda Javier Peña Tuomas Sandholm Gradient-Based Algorithms for Finding Nash Equilibria in Extensive Form Games. 57-69 2007 conf/wine/2007 WINE http://dx.doi.org/10.1007/978-3-540-77105-0_9 db/conf/wine/wine2007.html#GilpinHPS07