@article{CM_1982__47_3_289_0,
     author = {Evertse, Jan-Hendrik},
     title = {On the equation $ax^n - by^n = c$},
     journal = {Compositio Mathematica},
     pages = {289--315},
     publisher = {Martinus Nijhoff Publishers},
     volume = {47},
     number = {3},
     year = {1982},
     zbl = {0498.10014},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1982__47_3_289_0/}
}