@article{COCV_2009__15_4_745_0,
     author = {Ryan, Eugene P. and Sangwin, Chris J. and Townsend, Philip},
     title = {Controlled functional differential equations : approximate and exact asymptotic tracking with prescribed transient performance},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {745--762},
     publisher = {EDP-Sciences},
     volume = {15},
     number = {4},
     year = {2009},
     doi = {10.1051/cocv:2008045},
     mrnumber = {2567243},
     zbl = {1175.93188},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2008045/}
}