@misc{Sommermann2019, author = {Karl-Peter Sommermann}, title = {The Dimensions of the Principle of Solidarity in the European Union}, institution = {Lehrstuhl f{\"u}r {\"O}ffentliches Recht, Staatslehre und Rechtsvergleichung (Univ.-Prof. Dr. Dr. h.c. Karl-Peter Sommermann)}, type = {publiclecture}, year = {2019}, }