@article{CMH_1966__41_139313,
     author = {Izu Vaisman},
     title = {Sur quelques formules du calcul de {Ricci} global.},
     journal = {Commentarii mathematici Helvetici},
     pages = {73--87},
     publisher = {mathdoc},
     volume = {41},
     year = {1966},
     zbl = {0147.41101},
     url = {http://geodesic.mathdoc.fr/item/CMH_1966__41_139313/}
}