@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/}
}