@article{escidoc:2482785, title = {Statistical field theory with constraints: Application to critical Casimir forces in the canonical ensemble}, author = {Gross, M. and Gambassi, A. and Dietrich, S.}, journal = {Physical Review E}, volume = {96}, number = {2}, pages = {022135}, publisher = {American Physical Society}, address = {Melville, NY}, year = {2017}, doi = {10.1103/PhysRevE.96.022135} }