@article{SLDB_1954-1955__24__A5_0,
     author = {Visconti, A. and Umezawa, H.},
     title = {Th\'eorie g\'en\'erale des propagateurs},
     journal = {S\'eminaire L. de Broglie. Th\'eories physiques},
     note = {talk:5 et 6},
     pages = {1--10},
     publisher = {Secr\'etariat math\'ematique},
     volume = {24},
     year = {1954-1955},
     zbl = {0065.21703},
     language = {fr},
     url = {http://www.numdam.org/item/SLDB_1954-1955__24__A5_0/}
}