@article{1195577647, author = {L\'evy, Jack}, title = {Harmonic condition in the theory of unified field}, journal = {Proc. Japan Acad.}, volume = {37}, number = {10}, year = {1961}, pages = { 352-355}, language = {en}, url = {http://dml.mathdoc.fr/item/1195577647} }
Lévy, Jack. Harmonic condition in the theory of unified field. Proc. Japan Acad., Tome 37 (1961) no. 10, pp. 352-355. http://gdmltest.u-ga.fr/item/1195577647/