Atkočiūnas, Juozas, and Algirdas Čižas. “Aleksandras Čyras and Optimization in Structural Mechanics”. Journal of Civil Engineering and Management 8, no. 1 (March 30, 2002): 4-33. Accessed November 23, 2024. https://jbem.vgtu.lt/index.php/JCEM/article/view/9073.