@article{10_21136_MB_2015_144430,
     author = {Hemdaoui, Mohammed},
     title = {Letter to the editors},
     journal = {Mathematica Bohemica},
     publisher = {mathdoc},
     volume = {140},
     number = {3},
     year = {2015},
     doi = {10.21136/MB.2015.144430},
     mrnumber = {3397264},
     zbl = {06556610},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2015.144430/}
}