Abstract is available. Paper is available. T.Kailath and V.Olshevsky. Displacement structure approach to discrete trigonometric transform based preconditioners of G.Strang and T.Chan types. Abstract is available.
Paper is available.
A more detailed paper is available. V.Matsaev and V.Olshevsky. Cyclic dimensions, kernel multiplicities and Gohberg-Kaashoek numbers. Abstract is available. Paper is available.