@article{CRMATH_2002__335_11_859_0,
     author = {El Sahili, Amine},
     title = {Graph-theoretical methods in general function theory},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {859--861},
     publisher = {Elsevier},
     volume = {335},
     number = {11},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02585-2},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02585-2/}
}