@article{PIM_1975_N_S_18_32_a7,
     author = {Mrinal Kanti Das},
     title = {On {A} {Fourth} {Order} {Wronskian} {Associated} {With} {Classical} {Orthogonal} {Polynomials}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {79 },
     publisher = {mathdoc},
     volume = {_N_S_18},
     number = {32},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/PIM_1975_N_S_18_32_a7/}
}