Wirth, M. (2022). Kac regularity and domination of quadratic forms. Advances in Operator Theory. Springer Nature.https://doi.org/10.1007/s43036-022-00199-w 
LibreCat: https://research-explorer.ista.ac.at/record/11916
DOI: 10.1007/s43036-022-00199-w