A fixed point theorem in Banach spaces over topological semifields. Nešić, Slobodan Č. — 1994 Matematichki Vesnik
On fixed points in a metric space over a Tikhonov semifield. Nešić, Slobodan Č. — 1995 Matematichki Vesnik
Banach Spaces Over Topological Semifields and Common Fixed Points Slobodan Č. Nešić — 1995 Matematički Vesnik