@article{700086,
     title = {Finite elements and numerical stability},
     booktitle = {Proceedings of Equadiff III},
     series = {GDML\_Books},
     publisher = {Univ. J. E. Purkyn\v e - P\v r\'\i rodov\v edeck\'a fakulta},
     address = {Brno},
     year = {1973},
     pages = {21-29},
     mrnumber = {MR0359356},
     zbl = {0331.65074},
     url = {http://dml.mathdoc.fr/item/700086}
}

Descloux, Jean. Finite elements and numerical stability, dans Proceedings of Equadiff III, GDML_Books,  (1973), pp. 21-29. http://gdmltest.u-ga.fr/item/700086/