@article{NUMA_1983__42_132859,
     author = {B.V. Limaye and R.P. Kulkarni},
     title = {On the {Steps} of {Convergence} of {Approximate} {Eigenvectors} in the {Rayleigh-Schr\"odinger} {Series.}},
     journal = {Numerische Mathematik},
     pages = {31--50},
     publisher = {mathdoc},
     volume = {42},
     year = {1983},
     zbl = {0538.65034},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1983__42_132859/}
}