@article{SIGMA_2016_12_a97,
     author = {Alexey A. Sharapov},
     title = {Variational {Tricomplex,} {Global} {Symmetries} and {Conservation} {Laws} of {Gauge} {Systems}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a97/}
}