@article{CRMATH_2003__336_1_95_0,
     author = {Achchab, Boujemaa and Achchab, Said and Agouzal, Abdellatif},
     title = {Estimateur hi\'erarchique robuste pour un probl\`eme de perturbation singuli\`ere},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {95--100},
     publisher = {Elsevier},
     volume = {336},
     number = {1},
     year = {2003},
     doi = {10.1016/S1631-073X(02)00017-1},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)00017-1/}
}