Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1993_7_2_a3, author = {U. C. De and G. Pathak}, title = {On a {Type} of {Contact} {Manifolds}}, journal = {Mathematica balkanica}, pages = {113}, publisher = {mathdoc}, volume = {7}, number = {2}, year = {1993}, url = {http://geodesic.mathdoc.fr/item/MABA_1993_7_2_a3/} }
U. C. De; G. Pathak. On a Type of Contact Manifolds. Mathematica balkanica, Tome 7 (1993) no. 2, p. 113. http://geodesic.mathdoc.fr/item/MABA_1993_7_2_a3/