V C, A BJ. Oscillation Criteria for Generalized First-Order Systems of Linear Difference Equations: u(k+l)= a(k)u+b(k)v,v(k+l)= c(k)u+d(k)v and u(k+l) = a(k)u+b(k)v+f_1 (k)v(k+l) = c(k)u+d(k)v+f_2 (k) where a(k),b(k),c(k),d(k) and f_i (k),i = 1,2 are real valued functions defined for k ≥ 0. CM [Internet]. 2019Dec.30 [cited 2026Apr.25];3(2):114-22. Available from: https://shcpub.in/index.php/cm/article/view/67