is an open problem suggested by Mordell (Diophantine Equations, Academic Press, London, 1969, p. 259). He asked if the only integer solutions of (1) are given by x=-1, 0,
文摘is an open problem suggested by Mordell (Diophantine Equations, Academic Press, London, 1969, p. 259). He asked if the only integer solutions of (1) are given by x=-1, 0,