ATKOČIŪNAS, Juozas; KRUTINIS, Antanas. Academician Aleksandras Čyras as the pioneer of optimizational structural mechanics in Lithuania. Journal of Civil Engineering and Management, [S. l.], v. 3, n. 9, p. 6–10, 1997. DOI: 10.3846/13921525.1997.10531665. Disponível em: https://mla.vilniustech.lt/index.php/JCEM/article/view/9492. Acesso em: 13 aug. 2025.