Ben Strulo Nigel Walker Marc Wennink Lyapunov Convergence for Lagrangian Models of Network Control. 168-177 2007 conf/netcoop/2007 NET-COOP http://dx.doi.org/10.1007/978-3-540-72709-5_18 db/conf/netcoop/netcoop2007.html#StruloWW07