@article{10_4153_CJM_1973_116_9,
     author = {Rooney, P. G.},
     title = {A {Technique} for {Studying} the {Boundedness} and {Extendability} of {Certain} {Types} of {Operators}},
     journal = {Canadian journal of mathematics},
     pages = {1090--1102},
     year = {1973},
     volume = {25},
     number = {5},
     doi = {10.4153/CJM-1973-116-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-116-9/}
}