@article{COMIM_2011__19_2_a6, author = {Tulczyjew, W{\l}odzimierz M.}, title = {Variational formulations {I:} {Statics} of mechanical systems}, journal = {Communications in Mathematics}, pages = {179--206}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {2011}, mrnumber = {2897269}, zbl = {1244.70006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2011__19_2_a6/} }