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Helmut Jürgensen

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Books

Descriptional Complexity of Formal Systems
Descriptional Complexity of Formal Systems
Juhani Karhumäki, Alexander Okhotin, Helmut Jürgensen
Semigroups. Theory and Applications
Semigroups. Theory and Applications
Helmut Jürgensen, Gerard Lallement, Hanns J. Weinert
Semigroups
Semigroups
Helmut Jürgensen, Franco Migliorini, J. Szép
Semigroups. Theory and Applications
Semigroups. Theory and Applications
Helmut Jürgensen, Gerard Lallement, Hanns J. Weinert

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