@article{CLTM_1983_1983_1_a15,
     author = {Istratescu, Vasile I.},
     title = {Generalizaci\'on de la normalidad para operadores sobre espacios de {Banach:} {Hiponormalidad.} {I.}},
     journal = {Collectanea mathematica},
     pages = {247-259},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1983_1983_1_a15/}
}