Ferdinand Wallmann (1874-1953) war ein ausgeprägter Vertreter jener früheren Forstleute, deren we...

Die Praxeologische Wissenssoziologie sowie die Dokumentarische Methode zeichnen sich durch fortda...

Basic notations and definitions.- Corollary of theorem 1 (Uniqueness and maximality).- Review of ...

This book has been growing over the years out of several resources. Firstly, the courses in numbe...

This book has been growing during the last year exploiting many resources: my unfinished notes, r...

This book has been growing during the last year exploiting many resources: my unfinished notes, r...

For a regular 17-gon, the formulas above give the x-coordinate of the first vertex in the upper h...

Das Büchlein erzählt von Erinnerungen an unwiederbringlich Vergangenes, insbesonders aus der Schu...

This booklet is grown from careless, partly lost notes that had been sent to relatives and classm...

A decade long experience of teaching the course 'Fundamental of Geometry'many notes for exercises...

This booklet is grown from careless, partly lost notes that had been sent to relatives and classm...

This booklet is grown from careless, partly lost notes that had been sent to relatives and classm...