@article{NUMA_1977__29_132526,
     author = {E. Spedicato and J. Greenstadt},
     title = {On {Some} {Classes} of {Variationally} {Derived} {Quasi-Newton} {Methods} for {Systems} of {Nonlinear} {Algebraic} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {363--380},
     publisher = {mathdoc},
     volume = {29},
     year = {1977},
     zbl = {0365.65033},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1977__29_132526/}
}