@article{10_4064_cm_45_1_81_90,
     author = {J. W\'ojcik},
     title = {On the composite {Lehmer} numbers with prime indices, {III}},
     journal = {Colloquium Mathematicum},
     pages = {81--90},
     publisher = {mathdoc},
     volume = {45},
     number = {1},
     year = {1981},
     doi = {10.4064/cm-45-1-81-90},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-45-1-81-90/}
}