Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1998_63_4_a7, author = {B. S. Kruglikov}, title = {Nijenhuis tensors and obstructions to constructing pseudoholomorphic mappings}, journal = {Matemati\v{c}eskie zametki}, pages = {541--561}, publisher = {mathdoc}, volume = {63}, number = {4}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_4_a7/} }
B. S. Kruglikov. Nijenhuis tensors and obstructions to constructing pseudoholomorphic mappings. Matematičeskie zametki, Tome 63 (1998) no. 4, pp. 541-561. http://geodesic.mathdoc.fr/item/MZM_1998_63_4_a7/