Quiroga Gonzáles, Cruz, Juan Limaco, Pedro Gamboa, y Rioco Barreto. 2001. Weak and Periodical Solutions of the Navier-Stokes Equation in Noncylindrical Domains. Pro Mathematica 15 (29-30), 21-36. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8165.