Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1989_45_2_a11, author = {L. V. Polterovich}, title = {Strongly optical lagrangian manifolds}, journal = {Matemati\v{c}eskie zametki}, pages = {95--104}, publisher = {mathdoc}, volume = {45}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_2_a11/} }
L. V. Polterovich. Strongly optical lagrangian manifolds. Matematičeskie zametki, Tome 45 (1989) no. 2, pp. 95-104. http://geodesic.mathdoc.fr/item/MZM_1989_45_2_a11/