@article{10_4064_cm_86_1_37_41,
     author = {A. Flammenkamp and F. Luca},
     title = {Infinite families of noncototients},
     journal = {Colloquium Mathematicum},
     pages = {37--41},
     publisher = {mathdoc},
     volume = {86},
     number = {1},
     year = {2000},
     doi = {10.4064/cm-86-1-37-41},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-86-1-37-41/}
}