@article{menezes_limaco_medeiros_2004,  title={Finite approximate controllability for semilinear heat equations in noncylindrical domains},  volume={76},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652004000300002},  DOI={10.1590/S0001-37652004000300002},  number={3},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Menezes, Silvano B. de and Limaco, Juan and Medeiros, Luis A.},  year={2004},  month={Sep},  pages={475–487} }