@book
{TN_libero_mab2,
author = {
Petkov, Vesselin
},
title = {
Seven fundamental concepts in spacetime physics
},
publisher = {Springer Nature},
isbn = {9783030756376},
keywords = {
Mathematical physics.
,
Gravitation.
},
year = {[2021]},
booktitle = {SpringerBriefs in physics},
address = {
Cham
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}