@article{ASNSP_2001_4_30_3-4_499_0,
     author = {Grunau, Hans-Christoph and Sweers, Guido},
     title = {Optimal conditions for anti-maximum principles},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {499--513},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 30},
     number = {3-4},
     year = {2001},
     mrnumber = {1896075},
     zbl = {1072.35066},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2001_4_30_3-4_499_0/}
}