@article{10_37236_1323,
     author = {Paul Erd\H{o}s and Gabor N. Sarkozy},
     title = {On cycles in the coprime graph of integers},
     journal = {The electronic journal of combinatorics},
     year = {1997},
     volume = {4},
     number = {2},
     doi = {10.37236/1323},
     zbl = {0932.11013},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1323/}
}