@book
{TN_libero_mab2,
author = {
Euler, Leonhard
},
title = {
Leonhardi Euleri Opera omnia
Series 3. Opera physica, miscellanea, epistolae 4 Dioptrica, 2
},
publisher = {Teubner},
year = {1912},
address = {
Lipsiae
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}