@article{MABA_2008_22_3-4_a7,
     author = {U.C. De and Ahmet Yildiz and Avijit Sarkar},
     title = {Isometric {Immersion} of {Three-Dimensional} {Quasi-Sasakian} {Manifolds}},
     journal = {Mathematica balkanica},
     pages = {297},
     publisher = {mathdoc},
     volume = {22},
     number = {3-4},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/MABA_2008_22_3-4_a7/}
}