@article{ETNA_1999__9__a10,
     author = {Ammar,  G.S. and Calvetti,  D. and Reichel,  L.},
     title = {Computation of {Gauss-Kronrod} quadrature rules with non-positive weights},
     journal = {Electronic transactions on numerical analysis},
     pages = {26--38},
     year = {1999},
     volume = {9},
     zbl = {0954.65017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1999__9__a10/}
}