@article{10_4064_sm203_2_2,
     author = {Sameer Chavan},
     title = {On operators {Cauchy} dual to 2-hyperexpansive operators: the
unbounded case},
     journal = {Studia Mathematica},
     pages = {129--162},
     publisher = {mathdoc},
     volume = {203},
     number = {2},
     year = {2011},
     doi = {10.4064/sm203-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm203-2-2/}
}