@article{MET_1986__33_176070,
     author = {M.L. Bansal and Ravindra Singh},
     title = {On the {Generalization} of {Rao,} {Hartley} and {Cochran's} {Scheme.}},
     journal = {Metrika},
     pages = {307--314},
     publisher = {mathdoc},
     volume = {33},
     year = {1986},
     zbl = {0624.62015},
     url = {http://geodesic.mathdoc.fr/item/MET_1986__33_176070/}
}