Current trends in nonlinear systems and control : in honor of Petar Kokotovic and Turi Nicosia / eds. L. Menini [et al.], 2006 r=on-line. - Текст : электронный.
Menini L. Symmetries and Semi-invariants in the Analysis of Nonlinear Systems : монография / by Laura Menini, Antonio Tornambè., 2011 r=on-line (Введено оглавление). - Текст : электронный.