@article{SJ_1957-1958__1__A8_0,
     author = {Lanczos, C.},
     title = {Remarks concerning the canonical formulation of field equations},
     journal = {S\'eminaire Janet. M\'ecanique analytique et m\'ecanique c\'eleste},
     note = {talk:8},
     pages = {1--14},
     publisher = {Secr\'etariat math\'ematique},
     volume = {1},
     year = {1957-1958},
     language = {en},
     url = {http://www.numdam.org/item/SJ_1957-1958__1__A8_0/}
}