Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1991_49_2_a16, author = {S. M. Ivashkovich}, title = {Spherical shells as obstructions to continuation of holomorphic mappings}, journal = {Matemati\v{c}eskie zametki}, pages = {141--142}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a16/} }
S. M. Ivashkovich. Spherical shells as obstructions to continuation of holomorphic mappings. Matematičeskie zametki, Tome 49 (1991) no. 2, pp. 141-142. http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a16/