NONLINEAR DYNAMICS, vol. 75, no. 3, page. 549 - 560, 2014-02
IEICE Transactions on Information and Systems, vol. E96-D, no. 1, page. 93 - 101, 2013-01
INTERNATIONAL JOURNAL OF CONTROL, vol. 87, no. 9, page. 1926 - 1935, 2014-03