T. CARDINALI and F. PAPALINI
Sull'esistenza di punti fissi per multifunzioni a grafo debolmente chiuso
Received: 18 July 1990
Mathematics Subject Classification: 47H10 - 58C30
Abstract In this note we prove two fixed point theorems for particular multifunctions having "weakly closed graph". The results here obtained respectively contain two theorems due to C. J. Himmelberg.