Pawel Sałek

An efficient density-functional-theory force evaluation for large molecular systems.

Trygve Helgaker, Simen Reine, Andreas Krapp, 2010, The Journal of chemical physics.

Calculations of static and dynamic polarizabilities of excited states by means of density functional theory.

Branislav Jansik, H. Ågren, B. Jansik, 2004, The Journal of chemical physics.

The Dalton quantum chemistry program system

Luca Frediani, Thomas Kjærgaard, Trygve Helgaker, 2013, Wiley interdisciplinary reviews. Computational molecular science.