Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1976_11_a12, author = {R. M. Geǐdel'man}, title = {Surfaces that carry conjugate $k$-webs}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {101--104}, publisher = {mathdoc}, number = {11}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1976_11_a12/} }
R. M. Geǐdel'man. Surfaces that carry conjugate $k$-webs. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1976), pp. 101-104. http://geodesic.mathdoc.fr/item/IVM_1976_11_a12/