1. On Eulerʼs solution of a problem of Diophantus;Arkin;Fibonacci Quart.,1979
2. The equations 3x2−2=y2 and 8x2−7=z2;Baker;Q. J. Math. Oxford Ser. (2),1969
3. Sets in which xy+k is always a square;Brown;Math. Comp.,1985
4. Generalization of a problem of Diophantus;Dujella;Acta Arith.,1993
5. Some polynomial formulas for Diophantine quadruples;Dujella;Grazer Math. Ber.,1996