@article{PIM_1973_N_S_15_29_a12,
     author = {R. K. S. Rathore and H. L. Manocha},
     title = {On {Equality} {Of} {Indices}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {105 },
     year = {1973},
     volume = {_N_S_15},
     number = {29},
     url = {http://geodesic.mathdoc.fr/item/PIM_1973_N_S_15_29_a12/}
}