@article{NSJOM_2008_38_3a_21,
     author = {P. Stavre and A. Lupu},
     title = {About almost symplectic

 structures on the total space of the tangent bundle},
     journal = {Novi Sad Journal of Mathematics},
     pages = {173-180},
     publisher = {mathdoc},
     volume = {38},
     number = {3},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2008_38_3a_21/}
}