ZHAI, Yuheng. An Introduction to Lagrange Multipliers: Theory and Applications in Economics. Science and Technology of Engineering, Chemistry and Environmental Protection, [S. l.], v. 2, n. 5, p. 2522, 2024. DOI: 10.61173/ch4v0m11. Disponível em: https://stecep.deanfrancis.press/article/view/1459. Acesso em: 24 oct. 2026.