ADIGUN K.A., Saka-Balogun O.Y., Oyelami F.H.,. Solution of Demchik’s Model of Water Filtration Using the Method of Separation of Variables. International Journal of Science and Engineering Invention, [S. l.], v. 1, n. 01, p. 1 to 4, 2015. DOI: 10.23958/ijsei/vol01-i01/01. Disponível em: http://ijsei.in/index.php/ijsei/article/view/1. Acesso em: 3 apr. 2025.