@article{PIM_1987_N_S_41_55_a14,
     author = {Hukum Singh},
     title = {On the cut {Locus} and the {Focal} {Locus} of a {Submanifold} in a {Riemannian} {Manifold} {II}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {119 },
     publisher = {mathdoc},
     volume = {_N_S_41},
     number = {55},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1987_N_S_41_55_a14/}
}