A study of critical point instability of micro and nano beams under a distributed variable-pressure force in the framework of the inhomogeneous non-linear nonlocal theory. Arch. Mech. [Internet]. 2017 Dec. 20 [cited 2025 May 14];69(6):413-3. Available from: https://am3.ippt.pan.pl/index.php/am/article/view/v69p413