Voir la notice de l'article provenant de la source Math-Net.Ru
@article{FAA_1973_7_2_a4, author = {V. M. Zakalyukin}, title = {The versality theorem}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {28--31}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a4/} }
V. M. Zakalyukin. The versality theorem. Funkcionalʹnyj analiz i ego priloženiâ, Tome 7 (1973) no. 2, pp. 28-31. http://geodesic.mathdoc.fr/item/FAA_1973_7_2_a4/