Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1993_54_5_a3, author = {P. Ya. Grushko}, title = {An algebraic model of almost transitive differential geometry}, journal = {Matemati\v{c}eskie zametki}, pages = {35--44}, publisher = {mathdoc}, volume = {54}, number = {5}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_5_a3/} }
P. Ya. Grushko. An algebraic model of almost transitive differential geometry. Matematičeskie zametki, Tome 54 (1993) no. 5, pp. 35-44. http://geodesic.mathdoc.fr/item/MZM_1993_54_5_a3/