@article{JRAM_1987__378_152943,
     author = {Joseph H. Silverman},
     title = {A quantitative version of {Siegel's} theorem: integral points on elliptic curves and {Catalan} curves.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {60--100},
     publisher = {mathdoc},
     volume = {378},
     year = {1987},
     zbl = {0608.14021},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__378_152943/}
}