@article{PIM_1991_N_S_49_63_a4,
     author = {A. H. Osbaldestin and P. Shiu},
     title = {Tijdeman's {Iterative} {Algorithm}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {27 },
     publisher = {mathdoc},
     volume = {_N_S_49},
     number = {63},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a4/}
}