@article{ASNSP_1983_4_10_2_257_0,
     author = {Greiner, G. and Nagel, R.},
     title = {On the stability of strongly continuous semigroups of positive operators on $L^2 (\mu )$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {257--262},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 10},
     number = {2},
     year = {1983},
     zbl = {0527.47027},
     language = {en},
     url = {http://www.numdam.org./item/ASNSP_1983_4_10_2_257_0/}
}