Optimal control of stationary linear systems with polynomial performance index. - Henryk Górecki (ACC, 2002)

Algebraic Condition for Decomposition of Large-Scale Linear Dynamic Systems. - Henryk Górecki (Int. J. Appl. Math. Comput. Sci., 2009)

Analytic solution of transcendental equations. - Henryk Górecki (Int. J. Appl. Math. Comput. Sci., 2010)

Analytic results for oscillatory systems with extremal dynamic properties. - Henryk Górecki; Mieczyslaw Zaczyk (Int. J. Appl. Math. Comput. Sci., 2014)

Extremal Properties of Linear Dynamic Systems Controlled by Dirac's Impulse. - Stanislaw Bialas; Henryk Górecki; Mieczyslaw Zaczyk (Int. J. Appl. Math. Comput. Sci., 2020)