KHANG, Nguyen Van. Partial derivative of matrix functions with respect to a vector variable. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 30, n. 4, p. 269 – 279, 2008. DOI: 10.15625/0866-7136/30/4/5632. Disponível em: https://vjmech.vast.vn/vjmech/article/view/5632. Acesso em: 8 nov. 2025.