@ARTICLE{27757632,
                    author = {Yago, D. and Cante, J.C. and Lloberas-Valls, O. and Oliver, J.}
                            ,
                                journal = {Computational mechanics}
                            ,
                                year = {2020}
                            ,
                                month = {Aug}
                            ,
                                volume = {66}
                            ,
                                number = {2}
                            ,
                                pages = {259--286}
                            ,
                                doi = {10.1007/s00466-020-01850-0}
                            ,
                                url = {http://hdl.handle.net/2117/191284; https://link.springer.com/article/10.1007/s00466-020-01850-0}
                            ,
                                title = {Topology optimization of thermal problems in a nonsmooth variational setting: closed-form optimality criteria}
                        }