N-dimensional continuous systems with the Darboux-Goursat and Dirichlet boundary data. - Dariusz Idczak; Marek Majewski; Stanislaw Walczak (ICECS, 2002)

Nonlinear Positive 2D Systems and Optimal Control. - Dariusz Idczak; Marek Majewski (POSTA, 2003)

Positive Systems with Nondecreasing Controls. Existence and Well-posedness. - Stanislaw Walczak; Dariusz Idczak (POSTA, 2003)

On Controllability of Nonlinear Systems Described by Ordinary Differential Equations. - Dariusz Idczak; Marek Majewski; Stanislaw Walczak (POSTA, 2006)

Bang-bang Controls and Piecewise Constant ones for Continuous Roesser Systems. - Dariusz Idczak; Marek Majewski (Multidimens. Syst. Signal Process., 2006)

Maximum principle for optimal control of two-directionally continuous linear repetitive processes. - Dariusz Idczak (Multidimens. Syst. Signal Process., 2008)

A generalization of the Poincaré-Miranda theorem with an application to the controllability of nonlinear repetitive processes. - Dariusz Idczak; Marek Majewski (nDS, 2009)

Approximative piecewise constant bang-bang principle for differential repetitive processes. - Dariusz Idczak (Int. J. Control, 2009)

Optimal Control of Second Order Systems with Infinite Time Horizon: Existence of Solutions. - Dariusz Idczak; Stanislaw Walczak (J. Optim. Theory Appl., 2010)

Fractional du Bois-Reymond lemma of order α ∈ (1 over 2; 1). - Dariusz Idczak (nDS, 2011)

Fractional du Bois-Reymond lemma of order α ∈ (n - 1 over 2, n). - Dariusz Idczak; Marek Majewski (nDS, 2011)

Compactness of fractional imbeddings. - Dariusz Idczak; Stanislaw Walczak (MMAR, 2012)

Existence of optimal solutions of two-directionally continuous linear repetitive processes. - Dariusz Idczak; Marek Majewski (Multidimens. Syst. Signal Process., 2012)

Compactness of fractional embeddings for boundary value problems. - Dariusz Idczak; Marek Majewski (MMAR, 2013)

Existence of optimal solutions to Lagrange problems for Roesser type systems of the first and fractional orders. - Dariusz Idczak; Rafal Kamocki; Marek Majewski; Stanislaw Walczak (Appl. Math. Comput., 2015)

Fractional differential repetitive processes with Riemann-Liouville and Caputo derivatives. - Dariusz Idczak; Rafal Kamocki (Multidimens. Syst. Signal Process., 2015)

An Extremum Principle for Smooth Problems. - Dariusz Idczak; Stanislaw Walczak (Games, 2020)