Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1998_12_1-2_a8, author = {G. Nakova and K. Gribachev}, title = {Submanifolds of {Some} {Almost} {Contact} {Manifolds} with {B-Metric} with {Codimension} {Two,} {II}}, journal = {Mathematica balkanica}, pages = {93}, publisher = {mathdoc}, volume = {12}, number = {1-2}, year = {1998}, url = {http://geodesic.mathdoc.fr/item/MABA_1998_12_1-2_a8/} }
G. Nakova; K. Gribachev. Submanifolds of Some Almost Contact Manifolds with B-Metric with Codimension Two, II. Mathematica balkanica, Tome 12 (1998) no. 1-2, p. 93. http://geodesic.mathdoc.fr/item/MABA_1998_12_1-2_a8/