Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MT_1989_14_a6, author = {S. S. Kutateladze}, title = {Directions in nonstandard analysis}, journal = {Matemati\v{c}eskie trudy}, pages = {153--182}, publisher = {mathdoc}, volume = {14}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MT_1989_14_a6/} }
S. S. Kutateladze. Directions in nonstandard analysis. Matematičeskie trudy, Tome 14 (1989), pp. 153-182. http://geodesic.mathdoc.fr/item/MT_1989_14_a6/