@article{10_2298_TAM0302085B,
     author = {D. A. Burton},
     title = {A primer on exterior differential calculus},
     journal = {Theoretical and applied mechanics},
     pages = {85 },
     year = {2003},
     volume = {30},
     number = {2},
     doi = {10.2298/TAM0302085B},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM0302085B/}
}