@article{NUMA_1975__25_132362,
     author = {R.D. Grigorieff},
     title = {Diskrete {Approximation} von {Eigenwertproblemen.} {III.} {Asymptotische} {Entwicklungen.}  - {Discrete} {Approximation} of {Eigenvalue-Problems.} {III.} {Asymptotic} {Expansions.}},
     journal = {Numerische Mathematik},
     pages = {79--98},
     publisher = {mathdoc},
     volume = {25},
     year = {1975},
     zbl = {0391.65022},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1975__25_132362/}
}