@article{IJOPCM_2009__2_4_223234,
     author = {Raissouli, Mustapha},
     title = {Invitation to functional means: some problems. {(Invitaion} to functional means some problems.)},
     journal = {International Journal of Open Problems in Computer Science and Mathematics. IJOPCM},
     pages = {522},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {2009},
     zbl = {1204.47023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJOPCM_2009__2_4_223234/}
}