An elementary treatment of a general diophantine problem
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Volume 15 (1988) no. 4, p. 603-614 
@article{ASNSP_1988_4_15_4_603_0,
     author = {Watt, Nigel},
     title = {An elementary treatment of a general diophantine problem},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 15},
     number = {4},
     year = {1988},
     pages = {603-614},
     zbl = {0689.10045},
     mrnumber = {1029857},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1988_4_15_4_603_0}
}

Watt, Nigel. An elementary treatment of a general diophantine problem. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Volume 15 (1988) no. 4, pp. 603-614. http://www.numdam.org/item/ASNSP_1988_4_15_4_603_0/

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