@article{MS2_1984__54_166878,
     author = {Joachim Weidmann},
     title = {Stetige {Abh\"angigkeit} der {Eigenwerte} und {Eigenfunktionen} elliptischer {Differentialoperatoren} vom {Gebiet.}},
     journal = {Mathematica Scandinavica},
     pages = {51--69},
     publisher = {mathdoc},
     volume = {54},
     year = {1984},
     zbl = {0526.35061},
     url = {http://geodesic.mathdoc.fr/item/MS2_1984__54_166878/}
}