The LBA-problem and the deterministic tape complexity of two-way one-counter languages over a one-letter alphabet
In: Acta Informatica, Jg. 8.1977, S. 371-3822009
Lower bounds for solving linear diophantine equations on random access machines
In: Journal of the Association for Computing Machinery, Jg. 1985, S. 929-9372009
Lower time bounds for solving linear diophantine equations on several parallel computational models
In: Information and Control, Jg. 1985, S. 195-2112009
