@article{SIGMA_2022_18_a43,
     author = {John E. Gough},
     title = {Field {Calculus:} {Quantum} and {Statistical} {Field} {Theory} without the {Feynman} {Diagrams}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2022},
     volume = {18},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2022_18_a43/}
}