@article{AMI_2008_35_a1,
     author = {Ioulia Baoulina and Florian Luca},
     title = {On positive integers with a certain nondivisibility property},
     journal = {Annales mathematicae et informaticae},
     pages = {11--19},
     publisher = {mathdoc},
     volume = {35},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2008_35_a1/}
}