@article{Böttner+2021+533+535, url = {https://doi.org/10.3790/gyil.64.1.533}, title = {The Constitutional Framework for Enhanced Cooperation in EU Law}, title = {}, author = {Robert Böttner}, pages = {533--535}, volume = {64}, number = {1}, journal = {German Yearbook of International Law}, doi = {doi:10.3790/gyil.64.1.533}, year = {2021}, lastchecked = {2021-01-01} }