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Author

Trygve Helgaker

3 books found

Cover of Density-Functional Theory

Density-Functional Theory

Trygve Helgaker, Poul Jorgensen, Jeppe Olsen · First published 2022

Cover of Molecular electronic-structure theory

Molecular electronic-structure theory

Trygve Helgaker, Poul Jorgensen, Jeppe Olsen · First published 2000

Cover of Molecular Properties

Molecular Properties

Poul Jorgensen, Trygve Helgaker, Jeppe Olsen · First published 2004