ISLAM, M. S. Poincare Duality of Morse-Novikov Cohomology on a Riemannian Manifold. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 41, n. 2, p. 34–40, 2022. DOI: 10.3329/ganit.v41i2.57575. Disponível em: https://banglajol.info/index.php/GANIT/article/view/57575. Acesso em: 18 aug. 2022.