@article{JRAM_1975__277_151630,
     author = {Robert E. Dressler and Jan van de Lune},
     title = {Some theorems concerning the number theoretic function w(n).},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {117--119},
     publisher = {mathdoc},
     volume = {277},
     year = {1975},
     zbl = {0307.10047},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__277_151630/}
}