@article{GDZPPN001171380,
title = {L2 Error Estimates for Finite Elements with Interpolated Boundary Conditions.},
journal = {Numerische Mathematik},
volume = {21},
year = {1973},
pages = {345-349},
zbl = {0287.65060},
url = {http://dml.mathdoc.fr/item/GDZPPN001171380}
}
Berger, Alan E. L2 Error Estimates for Finite Elements with Interpolated Boundary Conditions.. Numerische Mathematik, Tome 21 (1973) pp. 345-349. http://gdmltest.u-ga.fr/item/GDZPPN001171380/