E. RAMA; A. CHANDULAL; K. SAMBAIAH. Solving the problems related to shortest distance using He’s variational iteration method and theory of variational problems with moving boundaries. Malaya Journal of Matematik, India, v. 9, n. 01, p. 886–889, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1184. Acesso em: 22 nov. 2024.