TY - JOUR AU - Ilchmann, Achim AU - Reis, Timo TI - Outer transfer functions of differential-algebraic systems JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2017 SP - 391 EP - 425 VL - 23 IS - 2 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2015051/ DO - 10.1051/cocv/2015051 LA - en ID - COCV_2017__23_2_391_0 ER -