@article{RSMUP_1992__87__39_0,
     author = {Schinzel, A. and Zannier, U.},
     title = {Distribution of solutions of diophantine equations $f_1(x_1)f_2(x_2) = f_3(x_3)$, where $f_i$ are polynomials},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {39--68},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {87},
     year = {1992},
     mrnumber = {1183901},
     zbl = {0762.11011},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1992__87__39_0/}
}