Boldrini J. L. ., Fernández-cara E. . y Rojas-medar M. A. . (2007). An Optimal Control Problem for a Generalized Boussinesq Model: The Time Dependent Case. Revista Matemática Complutense, 20(2), 339-366. https://doi.org/10.5209/rev_REMA.2007.v20.n2.16487