@article{CRMATH_2002__335_5_427_0,
     author = {El Kadiri, Mohamed},
     title = {Sur la propri\'et\'e de la moyenne restreinte pour les fonctions biharmoniques},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {427--429},
     publisher = {Elsevier},
     volume = {335},
     number = {5},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02517-7},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.1016/S1631-073X(02)02517-7/}
}