@article{10_4153_S0008439519000808,
     author = {Saha, Kuldeep},
     title = {On {Open} {Book} {Embedding} of {Contact} {Manifolds} in the {Standard} {Contact} {Sphere}},
     journal = {Canadian mathematical bulletin},
     pages = {755--770},
     year = {2020},
     volume = {63},
     number = {4},
     doi = {10.4153/S0008439519000808},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000808/}
}