Wang, J., Batra, R. and Isogimi, K. (1996) “Analysis of stress distribution in a thin rectangular plate by the method of caustics”, Archives of Mechanics, 48(6), pp. 1011–1024. Available at: https://am.ippt.pan.pl/index.php/am/article/view/v48p1011 (Accessed: 7 December 2025).