- Pedro V. Silva
:
The homomorphism problem for trace monoids. Theor. Comput. Sci. 307(1): 199-215 (2003) - Vincent Vajnovszki:
A loopless algorithm for generating the permutations of a multiset. Theor. Comput. Sci. 307(2): 415-431 (2003) - Markus Vöge, Anthony J. Guttmann:
On the number of hexagonal polyominoes. Theor. Comput. Sci. 307(2): 433-453 (2003)
