U. Kotta, COMMENTS ON A STRUCTURAL APPROACH TO THE NONLINEAR MODEL-MATCHING PROBLEM, SIAM journal on control and optimization, 32(6), 1994, pp. 1555-1558
It is shown that, under certain regularity assumptions, the sufficient
conditions for solvability of the model matching problem (MMP) in ter
ms of structural invariants presented by Moog, Perdon, and Conte [SIAM
J. Control Optim., 29 (1991), pp. 769-785] are also necessary. The se
eming controversy involving the example of Huijberts is resolved.