Monatshefte für MathematikDecember 1952, Volume 56, Issue 4, pp 352–360 | Cite asBuchbesprechungenAuthorsAuthors and affiliationsL. SchmettererN. HofreiterK. PracharJ. RadonE. HlawkaE. HöfingerG. HeinrichArticle 12 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer-Verlag 1952Authors and AffiliationsL. Schmetterer1N. Hofreiter1K. Prachar1J. Radon1E. Hlawka1E. Höfinger1G. Heinrich11.Wien