@article{05666248, title = {A short note on the difference between inverses of consecutive integers modulo }, journal = {Integers}, volume = {9}, year = {2009}, pages = {699-702}, doi = {10.1515/INTEG.2009.055}, zbl = {1223.11117}, language = {en}, url = {http://dml.mathdoc.fr/item/05666248} }
Chan, Tsz Ho. A short note on the difference between inverses of consecutive integers modulo . Integers, Tome 9 (2009) pp. 699-702. doi : 10.1515/INTEG.2009.055. http://gdmltest.u-ga.fr/item/05666248/