A Locatelli, N Schiavoni - Automatica, 2009 - Elsevier
… of γ ( s ) is denoted by r k , so that the degree of γ ( s ) is either r 1 + 2 ∑ k = 2 κ Ω r k if 0 ∈
Ω (terms polynomial in time are present in the exogenous signals) or 2 ∑ k = 1 κ Ω r k if 0 ∉ Ω . …