@article{JRAM_1975__276_151598,
     author = {D. Suryanarayana and V. Siva Rama Prasad},
     title = {The number of k-ary, (k + 1)-free divisors of an integer.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {15--35},
     publisher = {mathdoc},
     volume = {276},
     year = {1975},
     zbl = {0303.10044},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__276_151598/}
}