@article{GDZPPN001178857,
title = {Regularity Theorems and Optimal Errors Estimates for Linear Parabolic Cauchy Problems.},
journal = {Numerische Mathematik},
volume = {44},
year = {1984},
pages = {23-50},
zbl = {0527.65036},
url = {http://dml.mathdoc.fr/item/GDZPPN001178857}
}
Tomarelli, Franco. Regularity Theorems and Optimal Errors Estimates for Linear Parabolic Cauchy Problems.. Numerische Mathematik, Tome 44 (1984) pp. 23-50. http://gdmltest.u-ga.fr/item/GDZPPN001178857/