@article{GDZPPN001173537, title = {An Operator-Theoretical Approach to Error Estimation.}, journal = {Numerische Mathematik}, volume = {26}, year = {1976}, pages = {307-326}, zbl = {0359.41012}, url = {http://dml.mathdoc.fr/item/GDZPPN001173537} }
Meinguet, J.; Descloux, J. An Operator-Theoretical Approach to Error Estimation.. Numerische Mathematik, Tome 26 (1976) pp. 307-326. http://gdmltest.u-ga.fr/item/GDZPPN001173537/