2007
Minimal zero-sum sequences in C<sub>n</sub>+C<sub>n</sub>.
[DOI]
Günter Lettl
,
Wolfgang A. Schmid
Eur. J. Comb., 2007

2000
A parametric family of quintic Thue equations.
[DOI]
István Gaál
,
Günter Lettl
Math. Comput., 2000