%0 Journal Article %A Labuschagne, L. E. %T Characterisations of partially continuous, strictly cosingular and φ- type operators %J Glasgow mathematical journal %D 1991 %P 203-212 %V 33 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008235/ %R 10.1017/S0017089500008235 %F 10_1017_S0017089500008235