@article{10_4064_sm166_3_2,
     author = {Giovanni Dore and Alberto Venni},
     title = {$H^{\infty }$ functional calculus for sectorial
 and bisectorial operators},
     journal = {Studia Mathematica},
     pages = {221--241},
     year = {2005},
     volume = {166},
     number = {3},
     doi = {10.4064/sm166-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm166-3-2/}
}