@article{10_4064_aa148_1_7,
     author = {Antal Balog and Kevin A. Broughan and Igor E. Shparlinski},
     title = {On the number of solutions of exponential congruences},
     journal = {Acta Arithmetica},
     pages = {93--103},
     publisher = {mathdoc},
     volume = {148},
     number = {1},
     year = {2011},
     doi = {10.4064/aa148-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa148-1-7/}
}