S. Banerjea and C. Kar, “On waves due to a line source in front of a vertical wall with a gap”, Arch. Mech., vol. 50, no. 5, pp. 917–926, Jan. 1998, Accessed: Nov. 19, 2025. [Online]. Available: https://am.ippt.pan.pl/index.php/am/article/view/v50p917