@article{1200783064,
author = {Di Blasio, Gabriella},
title = {Analytic semigroups generated by elliptic operators in $L\sp 1$ and parabolic equations},
journal = {Osaka J. Math.},
volume = {28},
number = {1},
year = {1991},
pages = { 367-384},
language = {en},
url = {http://dml.mathdoc.fr/item/1200783064}
}
Di Blasio, Gabriella. Analytic semigroups generated by elliptic operators in $L\sp 1$ and parabolic equations. Osaka J. Math., Tome 28 (1991) no. 1, pp. 367-384. http://gdmltest.u-ga.fr/item/1200783064/