@article{ETNA_1997__5__a5,
     author = {Craven, Thomas and Csordas, George},
     title = {On a converse of {Laguerre's} theorem},
     journal = {Electronic transactions on numerical analysis},
     pages = {7--17},
     publisher = {mathdoc},
     volume = {5},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1997__5__a5/}
}