Kutyłowski R, Szwechłowicz M. Topology Optimization – a Variational Formulation of the Problem and Example Application. Period. Polytech. Civil Eng. [Internet]. 2020 Jan. 1 [cited 2025 Apr. 14];64(1):101-2. Available from: https://pp5.omikk.bme.hu/ci/article/view/13999