@article{KJM_2015_39_1_a8,
     author = {Bang-Yen Chen},
     title = {Geometric and {Topological} {Obstructions} to {Various} {Immersions} in {Submanifold} {Theory} and some {Related} {Open} {Problems}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {93 },
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2015_39_1_a8/}
}