ARAKELYAN, Avetik; BARKHUDARYAN, Rafayel; POGHOSYAN, Michael. Numerical Solution of the Two-Phase Obstacle Problem by Finite Difference Method. Armenian Journal of Mathematics, Yerevan, Armenia, v. 7, n. 2, p. 164–182, 2015. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/118. Acesso em: 3 apr. 2025.