A multiplicity result for a system of real integral equations by use of the Nielsen number
Tom 49 / 1999
Banach Center Publications 49 (1999), 9-18
DOI: 10.4064/-49-1-9-18
Streszczenie
We prove an existence and multiplicity result for solutions of a nonlinear Urysohn type equation (2.14) by use of the Nielsen and degree theory in an annulus in the function space.
