Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1976_1_a10, author = {G. N. Timofeev}, title = {Invariant criteria for special compositions in {Weyl} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {87--99}, publisher = {mathdoc}, number = {1}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1976_1_a10/} }
G. N. Timofeev. Invariant criteria for special compositions in Weyl spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1976), pp. 87-99. http://geodesic.mathdoc.fr/item/IVM_1976_1_a10/