1
Published: 1964
Superior document: Leonhardi Euleri opera omnia Series 2, Opera mechanica et astronomica, Vol. 30
2
Published: 1969
Superior document: Leonhardi Euleri opera omnia Series 2, Opera mechanica et astronomica, Vol. 23
3
Published: 1961
Superior document: Leonhardi Euleri opera omnia Series 2, Opera mechanica et astronomica, Vol. 29
4
Published: 1959
Superior document: Leonhardi Euleri opera omnia Series 2, Opera mechanica et astronomica, Vol. 28