@article{CRMATH_2013__351_3-4_97_0,
     author = {Ali Ziane, Tarik and Ouzzane, Hadjer and Zair, Ouahiba},
     title = {A {Carleman} estimate for the two dimensional heat equation with mixed boundary conditions},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {97--100},
     publisher = {Elsevier},
     volume = {351},
     number = {3-4},
     year = {2013},
     doi = {10.1016/j.crma.2013.02.006},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2013.02.006/}
}