@article{1178245587, author = {Tachibana, Syun-ichi}, title = {On pseudo-parallelism in Einstein spaces}, journal = {Tohoku Math. J. (2)}, volume = {3}, number = {3}, year = {1951}, pages = { 214-219}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245587} }
Tachibana, Syun-ichi. On pseudo-parallelism in Einstein spaces. Tohoku Math. J. (2), Tome 3 (1951) no. 3, pp. 214-219. http://gdmltest.u-ga.fr/item/1178245587/