Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1998_221_a17, author = {P. E. Pushkar'}, title = {Generalization of the {Chekanov} {Theorem.} {Diameters} of {Immersed} {Manifolds} and {Wave} {Fronts}}, journal = {Informatics and Automation}, pages = {289--304}, publisher = {mathdoc}, volume = {221}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a17/} }
P. E. Pushkar'. Generalization of the Chekanov Theorem. Diameters of Immersed Manifolds and Wave Fronts. Informatics and Automation, Local and global problems of singularity theory, Tome 221 (1998), pp. 289-304. http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a17/