@article{NUMA_1987__55_4_133371,
     author = {Luis M. Floria and Robert B. Griffiths},
     title = {Numerical {Procedure} for {Solving} a {Minimization} {Eigenvalue} {Problem.}},
     journal = {Numerische Mathematik},
     pages = {565--574},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {1987},
     zbl = {0664.65032},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1987__55_4_133371/}
}