1. Almost continuous mappings;Husain, T.;Prace Mat.,1966
2. Properties of almost continuous functions;Long, Paul E.;Proc. Amer. Math. Soc.,1970
3. Almost-continuous mappings;Singal, M. K.;Yokohama Math. J.,1968
4. Fixed point theorems for connectivity maps;Stallings, J.;Fund. Math.,1959