@article{10_4064_ap82_3_8,
     author = {J. Kurek and W. M. Mikulski},
     title = {Symplectic structures on the tangent bundles
 of symplectic and cosymplectic manifolds},
     journal = {Annales Polonici Mathematici},
     pages = {273--285},
     year = {2003},
     volume = {82},
     number = {3},
     doi = {10.4064/ap82-3-8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap82-3-8/}
}