A graduate-level applied mathematics textbook introducing complex variable theory with emphasis on applications in engineering and physical sciences.
A foundational text in spatial analysis and transport optimization, applying mathematical models to locational decision-making and economic geography problems.
A monograph on Fourier series expansions with respect to general orthogonal systems, contributing to harmonic analysis and functional analysis within the Springer mathematics series Ergebnisse der Mathematik und ihrer Grenzgebiete.