BOLLA M, ABDELKHALEK F. Kálmán’s filtering technique in structural equation modeling. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2021 Mar. 30 [cited 2025 Feb. 10];66(1):179-96. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1274