@article{ASNSP_1970_3_24_2_349_0, author = {Tsagas, Grigorios}, title = {Killing forms in a riemannian manifold with boundary}, journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche}, pages = {349--356}, publisher = {Scuola normale superiore}, volume = {Ser. 3, 24}, number = {2}, year = {1970}, zbl = {0195.23601}, mrnumber = {268815}, language = {en}, url = {http://www.numdam.org/item/ASNSP_1970_3_24_2_349_0/} }