@article{10_1017_S0017089500008235,
     author = {Labuschagne, L. E.},
     title = {Characterisations of partially continuous, strictly cosingular and \ensuremath{\varphi}- type operators},
     journal = {Glasgow mathematical journal},
     pages = {203--212},
     year = {1991},
     volume = {33},
     number = {2},
     doi = {10.1017/S0017089500008235},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008235/}
}