%0 Journal Article
%T On positive solutions to nonlocal fractional and integer-order difference equations
%A Christopher Goodrich
%J Applicable Analysis and Discrete Mathematics
%D 2011
%I University of Belgrade and Academic Mind
%R 10.2298/aadm110111001g
%K Discrete fractional calculus
%K boundary value problem
%K nonlocal boundary conditions
%K positive solution
%K sign-changing coefficients
%U http://pefmath.etf.rs/vol5num1/AADM-Vol5-No1-122-132.pdf