

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
The leading singularity of the scattering kernel for a transparent obstacle
In: Mathematische Annalen, Jg. 1987, S. 125-1392009

The Lie algebra structure of degenerate Hamiltonian and Bi-Hamiltonian systems
In: Progress of Theoretical Physics, Jg. 1982, S. 1082-11042009
The Lie algebra structure of nonlinear evolution equations admitting infinite dimensional abelian symmetry groups
In: Progress of Theoretical Physics, Jg. 1981, S. 861-8762009

Linear aspects in the theory of solitons and nonlinear integrable equations
In: Journal of the Physical Society of Japan, Jg. 1991, S. 1473-14962009

Localizable analytically uniform spaces and the fundamental principle
In: Transactions of the American Mathematical Society, Jg. 1981, S. 235-2502009


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
