A Note on the Controllability of Nonlinear Systems. - Stanislaw Walczak (Math. Syst. Theory, 1984)

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

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)

On some nonlinear second order control systems. - Dorota Bors; Stanislaw Walczak (nDS, 2009)

Interpretation of Images and Their Sequences Using Potential Active Contour Method. - Stanislaw Walczak; Arkadiusz Tomczyk; Piotr S. Szczepaniak (ICCVG (1), 2010)

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

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

Application of 2D systems to investigation of a process of gas filtration. - Dorota Bors; Stanislaw Walczak (Multidimens. Syst. Signal Process., 2012)

On diffeomorphisms defined by some 2D nonlinear operators and their application to stability and sensitivity analysis. - Monika Bartkiewicz; Andrzej Skowron; Stanislaw Walczak (MMAR, 2015)

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)

On 2D integro-differential systems. Stability and sensitivity analysis. - Monika Bartkiewicz; Marek Majewski; Stanislaw Walczak (Multidimens. Syst. Signal Process., 2017)

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